/* Shared Components CSS - Consolidated Duplicated Elements */

/* ===== BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    /* Typography is now handled by typography.css */
    background: var(--bg-primary);
    overflow-x: hidden;
    padding-top: 80px; /* Account for fixed navbar */
}

/* Ensure proper layout with fixed navbar */
main {
    min-height: calc(100vh - 80px);
    position: relative;
    z-index: 1;
}

/* ===== CSS CUSTOM PROPERTIES (DESIGN TOKENS) ===== */
:root {
    /* ===== ENHANCED PROFESSIONAL COLOR PALETTE ===== */
    
    /* I. Core Brand Colors */
    --epsf-blue: #0052D4;           /* Primary brand color */
    --epsf-blue-light: #1A6BE8;     /* Light variant */
    --epsf-blue-dark: #003BA1;      /* Dark variant */
    --kinetic-blue: #4364F7;        /* Secondary brand blue */
    --kinetic-blue-light: #5A7AFF;  /* Light variant */
    --kinetic-blue-dark: #2E4BD9;   /* Dark variant */
    --accent-blue: #6FB1FC;         /* Light accent blue */
    --accent-blue-light: #8BC2FF;   /* Lighter variant */
    --accent-blue-dark: #5A9BE8;    /* Darker variant */
    
    /* II. Enhanced Neutral Colors */
    --off-white: #F8FAFC;           /* Main background color */
    --off-white-alt: #F1F5F9;       /* Alternative background */
    --light-gray: #E2E8F0;          /* Section alternate background */
    --light-gray-alt: #CBD5E1;      /* Alternative light gray */
    --card-white: #FFFFFF;          /* Card background */
    --border-color: #E2E8F0;        /* Border/Divider color */
    --border-color-light: #F1F5F9;  /* Light border */
    --border-color-dark: #CBD5E1;   /* Dark border */
    
    /* III. Enhanced Typography Colors */
    --charcoal: var(--text-heading);            /* Headings */
    --text-primary: var(--text-body);           /* Body text */
    --text-secondary: var(--text-secondary);    /* Secondary text */
    
    /* IV. Enhanced Action Colors */
    --primary-action: #0052D4;      /* Primary action button */
    --primary-action-light: #1A6BE8; /* Light primary */
    --primary-action-dark: #003BA1;  /* Dark primary */
    --secondary-action: #1ABC9C;    /* Secondary button */
    --secondary-action-light: #2ECC71; /* Light secondary */
    --secondary-action-dark: #148F77;  /* Dark secondary */
    --hover-primary: #003BA1;       /* Hover on primary */
    --hover-secondary: #148F77;     /* Hover on secondary */
    --cta-highlight: #FF6B6B;       /* Call-to-Action highlight */
    --cta-highlight-light: #FF8585; /* Light CTA */
    --cta-highlight-dark: #E55A5A;  /* Dark CTA */
    
    /* V. Enhanced Status Colors */
    --info-blue: #3498DB;           /* Info - Clear blue */
    --info-blue-light: #5DADE2;     /* Light info */
    --info-blue-dark: #2980B9;      /* Dark info */
    --success-green: #2ECC71;       /* Success - Green */
    --success-green-light: #58D68D; /* Light success */
    --success-green-dark: #27AE60;  /* Dark success */
    --warning-orange: #F39C12;      /* Warning - Gold-orange */
    --warning-orange-light: #F7DC6F; /* Light warning */
    --warning-orange-dark: #D68910;  /* Dark warning */
    --error-red: #E74C3C;           /* Error - Strong red */
    --error-red-light: #EC7063;     /* Light error */
    --error-red-dark: #C0392B;      /* Dark error */
    
    /* ===== LEGACY COMPATIBILITY MAPPINGS ===== */
    --primary-white: #FFFFFF;
    --brand-blue: var(--epsf-blue);
    --accent-yellow: var(--cta-highlight);
    
    /* VI. Enhanced Glass Morphism */
    --glass-background: rgba(248, 250, 252, 0.8);
    --glass-background-light: rgba(248, 250, 252, 0.6);
    --glass-background-dark: rgba(248, 250, 252, 0.9);
    --glass-border: rgba(226, 232, 240, 0.4);
    --glass-border-light: rgba(226, 232, 240, 0.2);
    --glass-border-dark: rgba(226, 232, 240, 0.6);
    --glass-shadow: 0 8px 32px 0 rgba(0, 82, 212, 0.08);
    --glass-shadow-light: 0 4px 16px 0 rgba(0, 82, 212, 0.06);
    --glass-shadow-dark: 0 16px 48px 0 rgba(0, 82, 212, 0.12);
    
    /* VII. Enhanced Background Colors */
    --bg-primary: var(--off-white);
    --bg-secondary: var(--light-gray);
    --bg-tertiary: rgba(26, 46, 80, 0.03);
    
    /* VIII. RGB Values for Opacity Effects */
    --primary-rgb: 0, 82, 212;
    --secondary-rgb: 255, 107, 107;
    --success-rgb: 46, 204, 113;
    --warning-rgb: 243, 156, 18;
    --error-rgb: 231, 76, 60;
    
    /* IX. Enhanced Gradients */
    --primary-gradient: linear-gradient(135deg, #0052D4 0%, #4364F7 50%, #6FB1FC 100%);
    --primary-gradient-light: linear-gradient(135deg, #1A6BE8 0%, #5A7AFF 50%, #8BC2FF 100%);
    --primary-gradient-dark: linear-gradient(135deg, #003BA1 0%, #2E4BD9 50%, #5A9BE8 100%);
    --secondary-gradient: linear-gradient(135deg, #1ABC9C 0%, #2ECC71 100%);
    --secondary-gradient-light: linear-gradient(135deg, #2ECC71 0%, #58D68D 100%);
    --secondary-gradient-dark: linear-gradient(135deg, #148F77 0%, #27AE60 100%);
    --tertiary-gradient: linear-gradient(135deg, #FF6B6B 0%, #FF8585 100%);
    --tertiary-gradient-light: linear-gradient(135deg, #FF8585 0%, #FFA5A5 100%);
    --tertiary-gradient-dark: linear-gradient(135deg, #E55A5A 0%, #D44A4A 100%);
    --yellow-gradient: linear-gradient(135deg, #FF6B6B 0%, #FF8585 100%);
    --kinetic-gradient: linear-gradient(135deg, #4364F7 0%, #6FB1FC 100%);
    --kinetic-gradient-light: linear-gradient(135deg, #5A7AFF 0%, #8BC2FF 100%);
    --kinetic-gradient-dark: linear-gradient(135deg, #2E4BD9 0%, #5A9BE8 100%);
    
    /* X. Enhanced Border & Shadow System */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-2xl: 32px;
    --border-radius-full: 9999px;
    
    /* Enhanced Shadow System */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    
    /* XI. Enhanced Glow Effects */
    --goldfinch-glow: 0 0 20px rgba(255, 107, 107, 0.3);
    --goldfinch-glow-strong: 0 0 30px rgba(255, 107, 107, 0.5);
    --goldfinch-glow-light: 0 0 15px rgba(255, 107, 107, 0.2);
    --kinetic-glow: 0 0 20px rgba(67, 100, 247, 0.3);
    --kinetic-glow-strong: 0 0 30px rgba(67, 100, 247, 0.5);
    --kinetic-glow-light: 0 0 15px rgba(67, 100, 247, 0.2);
    --epsf-glow: 0 0 20px rgba(0, 82, 212, 0.3);
    --epsf-glow-strong: 0 0 30px rgba(0, 82, 212, 0.5);
    --epsf-glow-light: 0 0 15px rgba(0, 82, 212, 0.2);
    
    /* XII. Enhanced Spacing System */
    --spacing-0: 0;
    --spacing-px: 1px;
    --spacing-0-5: 0.125rem;  /* 2px */
    --spacing-1: 0.25rem;     /* 4px */
    --spacing-1-5: 0.375rem;  /* 6px */
    --spacing-2: 0.5rem;      /* 8px */
    --spacing-2-5: 0.625rem;  /* 10px */
    --spacing-3: 0.75rem;     /* 12px */
    --spacing-3-5: 0.875rem;  /* 14px */
    --spacing-4: 1rem;        /* 16px */
    --spacing-5: 1.25rem;     /* 20px */
    --spacing-6: 1.5rem;      /* 24px */
    --spacing-7: 1.75rem;     /* 28px */
    --spacing-8: 2rem;        /* 32px */
    --spacing-9: 2.25rem;     /* 36px */
    --spacing-10: 2.5rem;     /* 40px */
    --spacing-11: 2.75rem;    /* 44px */
    --spacing-12: 3rem;       /* 48px */
    --spacing-14: 3.5rem;     /* 56px */
    --spacing-16: 4rem;       /* 64px */
    --spacing-20: 5rem;       /* 80px */
    --spacing-24: 6rem;       /* 96px */
    --spacing-28: 7rem;       /* 112px */
    --spacing-32: 8rem;       /* 128px */
    
    /* Legacy spacing mappings */
    --spacing-xs: var(--spacing-2);
    --spacing-sm: var(--spacing-4);
    --spacing-md: var(--spacing-6);
    --spacing-lg: var(--spacing-8);
    --spacing-xl: var(--spacing-12);
    --spacing-2xl: var(--spacing-16);
    --spacing-3xl: var(--spacing-20);
    
    /* Typography - Now using typography.css variables */
    --font-size-xs: var(--font-size-xs);
    --font-size-sm: var(--font-size-sm);
    --font-size-base: var(--font-size-base);
    --font-size-lg: var(--font-size-lg);
    --font-size-xl: var(--font-size-xl);
    --font-size-2xl: var(--font-size-2xl);
    --font-size-3xl: var(--font-size-3xl);
    --font-size-4xl: var(--font-size-4xl);
    --font-size-5xl: var(--font-size-5xl);
    --font-size-6xl: var(--font-size-6xl);
    --font-size-7xl: 4rem;
    
    /* XIII. Enhanced Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-spring: 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --transition-ease-out: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-ease-in: 0.3s cubic-bezier(0.4, 0, 1, 1);
    --transition-ease-in-out: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* XIV. Enhanced Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
    --z-max: 9999;
    
    /* IX. Additional Color Mappings */
    --primary-color: var(--epsf-blue);
    --secondary-color: var(--kinetic-blue);
    --card-bg: var(--card-white);
    --bg-accent: rgba(255, 107, 107, 0.08);
    --bg-accent-light: rgba(255, 107, 107, 0.04);
    --text-muted: var(--text-secondary);
    --text-white: var(--primary-white);
    --text-yellow: var(--cta-highlight);
    
    /* Legacy Color Mappings for Compatibility */
    --primary-blue: var(--epsf-blue);
    --primary-blue-light: var(--epsf-blue-light);
    --primary-blue-dark: var(--epsf-blue-dark);
    --accent-yellow-light: var(--cta-highlight-light);
    --accent-yellow-dark: var(--cta-highlight-dark);
}

/* ===== SHARED BACKGROUND ANIMATIONS ===== */

/* Gradient Waves */
.gradient-waves {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -4;
}

.wave {
    position: absolute;
    width: 200%;
    height: 200%;
    background: var(--brand-blue);
    border-radius: 50%;
    animation: waveAnimation 25s ease-in-out infinite;
    opacity: 0.08;
}

.wave:nth-child(1) {
    top: -50%;
    left: -50%;
    animation-delay: 0s;
    animation-duration: 30s;
    background: var(--brand-blue);
}

.wave:nth-child(2) {
    top: -30%;
    left: -30%;
    animation-delay: -8s;
    animation-duration: 35s;
    background: var(--accent-blue);
}

.wave:nth-child(3) {
    top: -70%;
    left: -70%;
    animation-delay: -15s;
    animation-duration: 40s;
    background: var(--brand-blue);
}

/* Floating Elements */
.floating-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -3;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    width: 6px;
    height: 6px;
    background: linear-gradient(135deg, var(--epsf-blue), var(--kinetic-blue));
    border-radius: 50%;
    animation: floatAnimation 20s ease-in-out infinite;
    box-shadow: 0 0 10px rgba(0, 204, 255, 0.2);
}

.floating-element:nth-child(1) {
    top: 15%;
    left: 15%;
    animation-delay: 0s;
    animation-duration: 25s;
    background: var(--kinetic-blue);
}

.floating-element:nth-child(2) {
    top: 45%;
    left: 75%;
    animation-delay: -5s;
    animation-duration: 30s;
    width: 8px;
    height: 8px;
    background: var(--kinetic-blue);
}

.floating-element:nth-child(3) {
    top: 75%;
    left: 25%;
    animation-delay: -10s;
    animation-duration: 35s;
    width: 4px;
    height: 4px;
    background: var(--kinetic-blue);
}

.floating-element:nth-child(4) {
    top: 25%;
    left: 85%;
    animation-delay: -15s;
    animation-duration: 28s;
    width: 5px;
    height: 5px;
    background: var(--kinetic-blue);
}

.floating-element:nth-child(5) {
    top: 85%;
    left: 65%;
    animation-delay: -20s;
    animation-duration: 32s;
    width: 7px;
    height: 7px;
    background: var(--kinetic-blue);
}

.floating-element:nth-child(6) {
    top: 55%;
    left: 10%;
    animation-delay: -25s;
    animation-duration: 38s;
    width: 3px;
    height: 3px;
    background: var(--kinetic-blue);
}

/* ===== SHARED ANIMATIONS ===== */

@keyframes waveAnimation {
    0%, 100% {
        transform: rotate(0deg) scale(1);
        opacity: 0.08;
    }
    25% {
        transform: rotate(90deg) scale(1.3);
        opacity: 0.12;
    }
    50% {
        transform: rotate(180deg) scale(0.7);
        opacity: 0.08;
    }
    75% {
        transform: rotate(270deg) scale(1.1);
        opacity: 0.1;
    }
}

@keyframes floatAnimation {
    0%, 100% {
        transform: translateY(0px) translateX(0px);
        opacity: 0.4;
    }
    25% {
        transform: translateY(-30px) translateX(15px);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-15px) translateX(-25px);
        opacity: 0.5;
    }
    75% {
        transform: translateY(-40px) translateX(10px);
        opacity: 0.8;
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.6;
    }
}

@keyframes slideInUp {
    0% {
        transform: translateY(30px);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes scaleIn {
    0% {
        transform: scale(0.9);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes shimmer {
    0% {
        background-position: -200px 0;
    }
    100% {
        background-position: calc(200px + 100%) 0;
    }
}

/* ===== ENHANCED LOADING STATES ===== */

/* Loading Container */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    min-height: 400px;
    text-align: center;
}

/* Enhanced Loading Spinner */
.enhanced-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 204, 255, 0.2);
    border-top: 3px solid var(--kinetic-blue);
    border-radius: 50%;
    animation: enhancedSpin 1s linear infinite;
    position: relative;
}

.enhanced-loading-spinner::before,
.enhanced-loading-spinner::after {
    content: '';
    position: absolute;
    border-radius: 50%;
}

.enhanced-loading-spinner::before {
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    border: 2px solid transparent;
    border-top: 2px solid var(--kinetic-blue);
    animation: enhancedSpin 1.5s linear infinite reverse;
}

.enhanced-loading-spinner::after {
    top: 3px;
    left: 3px;
    right: 3px;
    bottom: 3px;
    border: 1px solid transparent;
    border-top: 1px solid var(--kinetic-blue);
    animation: enhancedSpin 0.75s linear infinite;
}

@keyframes enhancedSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Loading Text */
.loading-text {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-body);
    margin-bottom: var(--spacing-sm);
}

.loading-subtext {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin: 0;
}

/* Loading Dots */
.loading-dots {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.loading-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--kinetic-blue);
    animation: loadingDotPulse 1.4s ease-in-out infinite both;
}

.loading-dot:nth-child(1) { animation-delay: -0.32s; }
.loading-dot:nth-child(2) { animation-delay: -0.16s; }
.loading-dot:nth-child(3) { animation-delay: 0s; }

@keyframes loadingDotPulse {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, #f8fafc 25%, #f1f5f9 50%, #f8fafc 75%);
    background-size: 200px 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--border-radius);
}

.skeleton-card {
    height: 200px;
    margin-bottom: var(--spacing-lg);
}

.skeleton-title {
    height: 24px;
    width: 70%;
    margin-bottom: var(--spacing-sm);
}

.skeleton-text {
    height: 16px;
    width: 100%;
    margin-bottom: var(--spacing-xs);
}

.skeleton-text:last-child {
    width: 60%;
}

/* ===== EMPTY STATES ===== */

/* Empty State Container */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    min-height: 400px;
    text-align: center;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-sm);
}

/* Empty State Icon */
.empty-state-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.empty-state-icon i {
    font-size: var(--font-size-4xl);
    color: var(--text-white);
}

/* Empty State Content */
.empty-state-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-body);
    margin: 0 0 var(--spacing-sm) 0;
}

.empty-state-description {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-lg) 0;
    max-width: 400px;
    line-height: var(--line-height-relaxed);
}

/* Empty State Actions */
.empty-state-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

/* Specific Empty States */
.empty-news {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.03) 0%, rgba(118, 75, 162, 0.03) 100%);
    backdrop-filter: blur(20px);
}

.empty-events {
    background: linear-gradient(135deg, rgba(240, 147, 251, 0.03) 0%, rgba(102, 126, 234, 0.03) 100%);
    backdrop-filter: blur(20px);
}

/* ===== SHARED COMPONENTS ===== */

/* Glass Morphism Card */
.glass-card {
    background: var(--glass-background);
    backdrop-filter: blur(25px);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border-radius: var(--border-radius-lg);
    pointer-events: none;
    z-index: -1;
}

.glass-card:hover::before {
    background: linear-gradient(135deg, rgba(255, 235, 59, 0.1), rgba(255, 235, 59, 0.05));
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--glass-shadow), var(--yellow-glow);
    border-color: rgba(255, 235, 59, 0.3);
}

/* Modal Component */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: var(--transition-slow);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--bg-tertiary);
}

.modal-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-body);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-body);
}

/* Loading Components */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.loading-overlay.show {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--bg-tertiary);
    border-top: 4px solid var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-section {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    min-height: 200px;
}

/* ===== ENHANCED BUTTON SYSTEM ===== */

/* Base Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-heading);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
    text-rendering: optimizeLegibility;
    user-select: none;
    white-space: nowrap;
    min-height: 44px; /* Accessibility minimum touch target */
}

/* Button Size Variants */
.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-xs);
    min-height: 36px;
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
    min-height: 52px;
}

.btn-xl {
    padding: var(--spacing-5) var(--spacing-10);
    font-size: var(--font-size-lg);
    min-height: 60px;
}

/* Primary Button */
.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
    border: 1px solid transparent;
}

.btn-primary:hover {
    background: var(--primary-gradient-dark);
    color: var(--text-white);
    box-shadow: var(--shadow-md), var(--epsf-glow);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-primary:focus {
    outline: 2px solid var(--epsf-blue);
    outline-offset: 2px;
}

/* Secondary Button */
.btn-secondary {
    background: var(--secondary-gradient);
    color: var(--text-white);
    border: 1px solid transparent;
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--secondary-gradient-dark);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-secondary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:focus {
    outline: 2px solid var(--secondary-action);
    outline-offset: 2px;
}

/* Ghost Button */
.btn-ghost {
    background: transparent;
    color: var(--epsf-blue);
    border: 2px solid var(--epsf-blue);
    box-shadow: none;
}

.btn-ghost:hover {
    background: var(--epsf-blue);
    color: var(--text-white);
    box-shadow: var(--shadow-sm), var(--epsf-glow-light);
    transform: translateY(-2px);
}

.btn-ghost:active {
    transform: translateY(0);
}

.btn-ghost:focus {
    outline: 2px solid var(--epsf-blue);
    outline-offset: 2px;
}

/* Outline Button */
.btn-outline {
    background: transparent;
    color: var(--text-body);
    border: 2px solid var(--border-color);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--bg-tertiary);
    color: var(--text-heading);
    border-color: var(--border-color-dark);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.btn-outline:active {
    transform: translateY(0);
}

.btn-outline:focus {
    outline: 2px solid var(--text-link);
    outline-offset: 2px;
}

/* Success Button */
.btn-success {
    background: var(--success-green);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.btn-success:hover {
    background: var(--success-green-dark);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-success:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-success:focus {
    outline: 2px solid var(--success-green);
    outline-offset: 2px;
}

/* Warning Button */
.btn-warning {
    background: var(--warning-orange);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.btn-warning:hover {
    background: var(--warning-orange-dark);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-warning:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-warning:focus {
    outline: 2px solid var(--warning-orange);
    outline-offset: 2px;
}

/* Danger Button */
.btn-danger {
    background: var(--error-red);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.btn-danger:hover {
    background: var(--error-red-dark);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-danger:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-danger:focus {
    outline: 2px solid var(--error-red);
    outline-offset: 2px;
}

/* Info Button */
.btn-info {
    background: var(--info-blue);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.btn-info:hover {
    background: var(--info-blue-dark);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.btn-info:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-info:focus {
    outline: 2px solid var(--info-blue);
    outline-offset: 2px;
}

/* Disabled State */
.btn:disabled,
.btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
    transform: none !important;
    box-shadow: var(--shadow-sm) !important;
}

/* Loading State */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: buttonSpin 1s linear infinite;
}

@keyframes buttonSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Button with Icon */
.btn-icon {
    padding: var(--spacing-3);
    min-width: 44px;
    min-height: 44px;
}

.btn-icon.btn-sm {
    padding: var(--spacing-2);
    min-width: 36px;
    min-height: 36px;
}

.btn-icon.btn-lg {
    padding: var(--spacing-4);
    min-width: 52px;
    min-height: 52px;
}

/* Button Group */
.btn-group {
    display: inline-flex;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.btn-group .btn {
    border-radius: 0;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-group .btn:first-child {
    border-top-left-radius: var(--border-radius);
    border-bottom-left-radius: var(--border-radius);
}

.btn-group .btn:last-child {
    border-top-right-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
    border-right: none;
}

.btn-group .btn:hover {
    transform: none;
}

/* Floating Action Button */
.btn-fab {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: var(--text-white);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    transition: all var(--transition-bounce);
}

.btn-fab:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl), var(--epsf-glow);
}

.btn-fab:active {
    transform: scale(0.95);
}

/* Responsive Button Adjustments */
@media (max-width: 768px) {
    .btn {
        padding: var(--spacing-2-5) var(--spacing-5);
        font-size: var(--font-size-sm);
        min-height: 40px;
    }
    
    .btn-lg {
        padding: var(--spacing-3) var(--spacing-6);
        font-size: var(--font-size-base);
        min-height: 48px;
    }
    
    .btn-fab {
        bottom: var(--spacing-4);
        right: var(--spacing-4);
        width: 48px;
        height: 48px;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: var(--spacing-2) var(--spacing-4);
        font-size: var(--font-size-xs);
        min-height: 36px;
    }
    
    .btn-lg {
        padding: var(--spacing-2-5) var(--spacing-5);
        font-size: var(--font-size-sm);
        min-height: 44px;
    }
    
    .btn-fab {
        bottom: var(--spacing-3);
        right: var(--spacing-3);
        width: 44px;
        height: 44px;
    }
}

/* ===== ENHANCED NAVIGATION BAR STYLES ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--epsf-blue);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(0, 82, 212, 0.95);
    backdrop-filter: blur(30px);
    box-shadow: var(--shadow-xl);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* Enhanced Logo Styles */
.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    cursor: pointer;
    transition: all var(--transition-bounce);
    padding: var(--spacing-2);
    border-radius: var(--border-radius);
}

.nav-logo:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.1);
}

.logo-img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    transition: all var(--transition-bounce);
    background: rgba(255, 255, 255, 0.2);
    padding: 3px;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.logo-img:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--epsf-glow);
    border-color: rgba(255, 255, 255, 0.5);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-white);
    letter-spacing: var(--letter-spacing-tight);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Enhanced Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--transition-slow);
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover {
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.nav-link.active {
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-sm);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--text-white);
    border-radius: var(--border-radius-full);
}

.nav-link i {
    font-size: var(--font-size-base);
    transition: transform var(--transition-normal);
}

.nav-link:hover i {
    transform: scale(1.1);
}

/* Enhanced Dropdown Styles */
.nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-arrow {
    transition: transform var(--transition-normal);
    font-size: var(--font-size-xs);
}

.nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--spacing-2));
    left: 0;
    background: var(--glass-background-dark);
    backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border-dark);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--glass-shadow-dark);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: all var(--transition-bounce);
    z-index: var(--z-dropdown);
    padding: var(--spacing-2) 0;
    overflow: hidden;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--text-body);
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.dropdown-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--epsf-blue);
    transform: scaleY(0);
    transition: transform var(--transition-normal);
}

.dropdown-item:hover::before {
    transform: scaleY(1);
}

.dropdown-item:hover {
    background: rgba(0, 82, 212, 0.1);
    color: var(--epsf-blue);
    transform: translateX(5px);
    padding-left: var(--spacing-6);
}

.dropdown-item i {
    font-size: var(--font-size-base);
    width: 20px;
    text-align: center;
    transition: transform var(--transition-normal);
}

.dropdown-item:hover i {
    transform: scale(1.1);
}

/* Enhanced User Menu */
.nav-user {
    display: flex;
    align-items: center;
}

.user-menu {
    position: relative;
    cursor: pointer;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.user-info:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.user-avatar-container {
    position: relative;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.3);
    transition: all var(--transition-bounce);
    object-fit: cover;
}

.user-info:hover .user-avatar {
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.05);
    box-shadow: var(--epsf-glow-light);
}

.user-status-indicator {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 14px;
    height: 14px;
    background: var(--success-green);
    border: 3px solid var(--epsf-blue);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-2));
    right: 0;
    background: var(--glass-background-dark);
    backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border-dark);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--glass-shadow-dark);
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: all var(--transition-bounce);
    z-index: var(--z-dropdown);
    margin-top: var(--spacing-2);
    overflow: hidden;
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.dropdown-header {
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.05);
}

.dropdown-user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.dropdown-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 3px solid var(--epsf-blue);
    object-fit: cover;
}

.dropdown-user-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.dropdown-user-name {
    font-family: var(--font-heading);
    font-weight: var(--font-weight-semibold);
    color: var(--text-heading);
    font-size: var(--font-size-sm);
}

.dropdown-user-role {
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

.dropdown-divider {
    height: 1px;
    background: var(--glass-border);
    margin: var(--spacing-2) 0;
}

.logout-link {
    color: var(--error-red) !important;
}

.logout-link:hover {
    background: rgba(231, 76, 60, 0.1) !important;
    color: var(--error-red) !important;
}

/* Enhanced Auth Links */
.nav-auth {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.auth-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius);
    transition: all var(--transition-bounce);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.auth-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--transition-slow);
}

.auth-link:hover::before {
    left: 100%;
}

.auth-link:hover {
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(255, 255, 255, 0.2);
}

.auth-link.primary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
    border-color: rgba(255, 255, 255, 0.3);
}

.auth-link.primary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--epsf-glow-light);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Enhanced Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-white);
    border-radius: 2px;
    transition: all var(--transition-bounce);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Back to Top Button */
.back-to-top-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--epsf-blue);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-md);
}

.back-to-top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top-btn:hover {
    background: var(--hover-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.back-to-top-btn i {
    font-size: 1.2rem;
}

/* ===== FOOTER STYLES ===== */
.footer {
    background: var(--epsf-blue);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
    margin-top: auto;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-logo-img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    transition: all var(--transition-bounce);
    background: rgba(255, 255, 255, 0.2);
    padding: 3px;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.footer-logo-img:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--epsf-glow);
    border-color: rgba(255, 255, 255, 0.5);
}

.footer-section h3 {
    font-family: var(--font-heading);
    color: white;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.footer-section h4 {
    font-family: var(--font-heading);
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0 0 var(--spacing-xs) 0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.footer-section p {
    font-family: var(--font-body);
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    margin: 0;
}

.footer-section a {
    font-family: var(--font-body);
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all var(--transition-normal);
    display: inline-block;
    margin-bottom: 0.25rem;
    position: relative;
}

.footer-section a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.6);
    transition: width var(--transition-normal);
}

.footer-section a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-section a:hover::before {
    width: 100%;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: all var(--transition-normal);
    margin: 0;
    position: relative;
    overflow: hidden;
}

.social-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.social-links a:hover::before {
    left: 100%;
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    font-family: var(--font-body);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    margin: 0;
    text-align: center;
}

.creator-credit {
    font-family: var(--font-heading);
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    text-align: center;
    margin: 0;
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-sm);
}

.footer-bottom-link {
    color: rgba(255, 255, 255, 0.7) !important;
    font-size: var(--font-size-xs);
    text-decoration: none;
    transition: all var(--transition-normal);
    margin: 0 !important;
}

.footer-bottom-link:hover {
    color: white !important;
    transform: none !important;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-menu {
        gap: var(--spacing-sm);
    }
    
    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: var(--font-size-sm);
    }
    
    .dropdown-menu {
        min-width: 180px;
    }
    
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .nav-container {
        height: 70px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--glass-background);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--glass-border);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-100%);
        transition: all var(--transition-normal);
        z-index: var(--z-dropdown);
    }
    
    .nav-menu.show {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-dropdown {
        width: 100%;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: transparent;
        backdrop-filter: none;
        padding: 0;
        margin-top: var(--spacing-sm);
        display: none;
    }
    
    .dropdown-menu.show {
        display: block;
    }
    
    .nav-user {
        display: none;
    }
    
    .nav-auth {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .footer-bottom-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--spacing-sm);
    }
    
    .social-links {
        justify-content: center;
    }
    
    .back-to-top-btn {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 var(--spacing-xs);
        height: 65px;
    }
    
    .nav-menu {
        top: 65px;
    }
    
    .logo-text {
        font-size: var(--font-size-lg);
    }
    
    .logo-img {
        width: 35px;
        height: 35px;
    }
    
    .footer {
        padding: var(--spacing-lg) 0 var(--spacing-sm);
    }
    
    .footer-container {
        padding: 0 var(--spacing-xs);
    }
    
    .footer-content {
        gap: var(--spacing-sm);
    }
    
    .footer-section h3 {
        font-size: var(--font-size-lg);
    }
    
    .footer-section h4 {
        font-size: var(--font-size-base);
    }
    
    .back-to-top-btn {
        width: 40px;
        height: 40px;
        bottom: 0.75rem;
        right: 0.75rem;
    }
    
    .back-to-top-btn i {
        font-size: 1rem;
    }
    
    .footer-logo-img {
        width: 35px;
        height: 35px;
    }
}

/* ===== UTILITY CLASSES ===== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.justify-center { justify-content: center; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

.rounded { border-radius: var(--border-radius); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-xl { border-radius: var(--border-radius-xl); }

.shadow { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.transition { transition: var(--transition-normal); }
.transition-fast { transition: var(--transition-fast); }
.transition-slow { transition: var(--transition-slow); } 

/* ===== ENHANCED CARD SYSTEM ===== */

/* Base Card Styles */
.card {
    background: var(--card-background);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color-light);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--border-color);
}

/* Card Variants */
.card-elevated {
    box-shadow: var(--shadow-md);
}

.card-elevated:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-6px);
}

.card-outlined {
    background: transparent;
    border: 2px solid var(--border-color);
    box-shadow: none;
}

.card-outlined:hover {
    border-color: var(--epsf-blue);
    box-shadow: var(--shadow-sm), var(--epsf-glow-light);
    transform: translateY(-2px);
}

.card-glass {
    background: var(--glass-background);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

.card-glass:hover {
    background: var(--glass-background-dark);
    border-color: var(--glass-border-dark);
    box-shadow: var(--glass-shadow-dark);
    transform: translateY(-4px);
}

.card-interactive {
    cursor: pointer;
    user-select: none;
}

.card-interactive:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
}

.card-interactive:active {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Card Header */
.card-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--border-color-light);
    background: var(--bg-secondary);
}

.card-header h3 {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-heading);
}

.card-header p {
    margin: var(--spacing-2) 0 0 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Card Body */
.card-body {
    padding: var(--spacing-6);
}

.card-body:first-child {
    padding-top: var(--spacing-6);
}

.card-body:last-child {
    padding-bottom: var(--spacing-6);
}

/* Card Footer */
.card-footer {
    padding: var(--spacing-6);
    border-top: 1px solid var(--border-color-light);
    background: var(--bg-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-4);
}

.card-footer .btn {
    flex-shrink: 0;
}

/* Card Image */
.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color-light);
}

.card-image-top {
    border-bottom: 1px solid var(--border-color-light);
}

.card-image-bottom {
    border-top: 1px solid var(--border-color-light);
}

/* Card Badge */
.card-badge {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    background: var(--epsf-blue);
    color: var(--text-white);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    z-index: 1;
}

.card-badge.success {
    background: var(--success-green);
}

.card-badge.warning {
    background: var(--warning-orange);
}

.card-badge.danger {
    background: var(--error-red);
}

.card-badge.info {
    background: var(--info-blue);
}

/* Card Stats */
.card-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-4);
    padding: var(--spacing-6);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color-light);
}

.card-stat {
    text-align: center;
}

.card-stat-number {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-heading);
    line-height: 1;
}

.card-stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    margin-top: var(--spacing-1);
}

/* Card Grid */
.card-grid {
    display: grid;
    gap: var(--spacing-6);
}

.card-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card-grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card-grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Card Loading State */
.card.loading {
    pointer-events: none;
}

.card.loading .card-body {
    position: relative;
    min-height: 200px;
}

.card.loading .card-body::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 32px;
    height: 32px;
    margin: -16px 0 0 -16px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--epsf-blue);
    border-radius: 50%;
    animation: cardSpin 1s linear infinite;
}

@keyframes cardSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Card Skeleton */
.card-skeleton {
    background: var(--card-background);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.card-skeleton-header {
    height: 60px;
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border-color-light) 50%, var(--bg-secondary) 75%);
    background-size: 200px 100%;
    animation: skeletonShimmer 1.5s infinite;
}

.card-skeleton-body {
    padding: var(--spacing-6);
}

.card-skeleton-title {
    height: 24px;
    width: 70%;
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border-color-light) 50%, var(--bg-secondary) 75%);
    background-size: 200px 100%;
    animation: skeletonShimmer 1.5s infinite;
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-4);
}

.card-skeleton-text {
    height: 16px;
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border-color-light) 50%, var(--bg-secondary) 75%);
    background-size: 200px 100%;
    animation: skeletonShimmer 1.5s infinite;
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-2);
}

.card-skeleton-text:last-child {
    width: 60%;
}

@keyframes skeletonShimmer {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}

/* Responsive Card Adjustments */
@media (max-width: 768px) {
    .card-header,
    .card-body,
    .card-footer {
        padding: var(--spacing-4);
    }
    
    .card-grid-2,
    .card-grid-3,
    .card-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .card-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-3);
        padding: var(--spacing-4);
    }
}

@media (max-width: 480px) {
    .card-header,
    .card-body,
    .card-footer {
        padding: var(--spacing-3);
    }
    
    .card-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-2);
    }
    
    .card-footer {
        flex-direction: column;
        align-items: stretch;
    }
    
    .card-footer .btn {
        width: 100%;
    }
}