/* NCF Repository - Corporate Style */
:root {
    --primary-gold: #B8860B;
    --dark-gold: #8B7355;
    --light-gold: #DAA520;
    --accent-gold: #FFD700;
    --dark-bg: #1a1a1a;
    --light-bg: #ffffff;
    --text-dark: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --border-light: #e0e0e0;
    --border-gold: rgba(184, 134, 11, 0.3);
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --success-green: #28a745;
    --error-red: #dc3545;
    --warning-orange: #fd7e14;
}

/* Logo Styles */
.logo-image {
    height: 60px;
    width: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-gold);
    box-shadow: 0 4px 12px rgba(184, 134, 11, 0.3);
    transition: all 0.3s ease;
}

.logo-image:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(184, 134, 11, 0.4);
}

.hero-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo .logo-image {
    height: 50px;
    width: 50px;
}

/* Header/Navigation Logo Styles */
.header-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.header-logo .logo-image {
    height: 50px;
    width: 50px;
}

.logo-text {
    font-weight: 700;
    background: linear-gradient(45deg, var(--primary-gold), var(--light-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--light-bg) 0%, #f8f9fa 100%);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-gold) 100%);
    color: white;
    padding: 1.5rem 2rem;
    box-shadow: 0 4px 20px var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 0%, rgba(218, 165, 32, 0.1) 50%, transparent 100%);
    pointer-events: none;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--accent-gold), var(--light-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
    color: rgba(255,255,255,0.9);
    font-size: 1rem;
    font-weight: 400;
    margin-top: 0.5rem;
}

.nav-menu, .user-menu {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.nav-menu a, .user-menu a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    padding: 0.7rem 1.2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    font-weight: 500;
}

.nav-menu a:hover, .user-menu a:hover {
    background: rgba(218, 165, 32, 0.2);
    border-color: var(--light-gold);
    color: white;
    transform: translateY(-2px);
}

/* Container Styles */
.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Card Styles */
.card {
    background: var(--light-bg);
    border-radius: 16px;
    box-shadow: 0 8px 32px var(--shadow-light);
    margin-bottom: 2rem;
    padding: 2.5rem;
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-gold), var(--light-gold), var(--primary-gold));
}

.card h2 {
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    position: relative;
    padding-bottom: 1rem;
}

.card h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-gold), var(--light-gold));
    border-radius: 2px;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-right: 0.75rem;
    margin-bottom: 0.75rem;
    position: relative;
    overflow: hidden;
}

.btn::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 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-gold), var(--light-gold));
    color: white;
    box-shadow: 0 4px 15px rgba(184, 134, 11, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--dark-gold), var(--primary-gold));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(184, 134, 11, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--text-light), var(--text-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(102, 102, 102, 0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--text-dark), #222);
    transform: translateY(-2px);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-green), #20c997);
    color: white;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.btn-success:hover {
    background: linear-gradient(135deg, #218838, var(--success-green));
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error-red), #e74c3c);
    color: white;
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.3);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c82333, var(--error-red));
    transform: translateY(-2px);
}

.btn-info {
    background: linear-gradient(135deg, #17a2b8, #20c997);
    color: white;
    box-shadow: 0 4px 15px rgba(23, 162, 184, 0.3);
}

.btn-info:hover {
    background: linear-gradient(135deg, #138496, #17a2b8);
    transform: translateY(-2px);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-orange), #ffc107);
    color: var(--text-dark);
    box-shadow: 0 4px 15px rgba(253, 126, 20, 0.3);
}

.btn-warning:hover {
    background: linear-gradient(135deg, #e0a800, var(--warning-orange));
    transform: translateY(-2px);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.7rem;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

input[type="text"], 
input[type="password"], 
input[type="file"], 
textarea, 
select {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--light-bg);
    color: var(--text-dark);
}

input[type="text"]:focus, 
input[type="password"]:focus, 
input[type="file"]:focus, 
textarea:focus, 
select:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.1);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

/* Alert Styles */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
    position: relative;
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    color: #155724;
    border-color: var(--success-green);
}

.alert-error {
    background: rgba(220, 53, 69, 0.1);
    color: #721c24;
    border-color: var(--error-red);
}

.alert-info {
    background: rgba(184, 134, 11, 0.1);
    color: #856404;
    border-color: var(--primary-gold);
}

/* Grid Styles */
.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.file-item, .file-card {
    background: var(--light-bg);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.file-item:hover, .file-card:hover {
    border-color: var(--primary-gold);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px var(--shadow-medium);
}

.file-item::before, .file-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-gold), var(--light-gold));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.file-item:hover::before, .file-card:hover::before {
    opacity: 1;
}

.file-icon {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    filter: grayscale(0.3);
    transition: filter 0.3s ease;
}

.file-item:hover .file-icon, .file-card:hover .file-icon {
    filter: grayscale(0);
}

.file-name {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.7rem;
    color: var(--text-dark);
    word-break: break-word;
}

.file-info {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.file-description {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    min-height: 50px;
    line-height: 1.5;
}

.file-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Stats Styles */
.stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: rgba(184, 134, 11, 0.05);
    border-radius: 12px;
    border: 1px solid var(--border-gold);
    min-width: 120px;
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--primary-gold), var(--light-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
    margin-top: 0.5rem;
}

/* QR Code Styles */
.qr-section, .qr-display {
    background: var(--light-bg);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px var(--shadow-light);
    border: 1px solid var(--border-light);
}

.qr-code-container {
    display: inline-block;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 16px;
    box-shadow: 0 12px 40px var(--shadow-medium);
    margin: 1.5rem;
    border: 2px solid var(--border-gold);
}

.qr-code-img {
    display: block;
    margin: 0 auto;
    border-radius: 8px;
    max-width: 100%;
    height: auto;
}

.event-info {
    background: linear-gradient(135deg, rgba(184, 134, 11, 0.05), rgba(218, 165, 32, 0.05));
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-gold);
}

.event-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.7rem;
}

.event-url {
    font-family: 'Courier New', monospace;
    background: var(--light-bg);
    padding: 1rem;
    border-radius: 8px;
    word-break: break-all;
    border: 1px solid var(--border-light);
    margin-top: 1rem;
    color: var(--text-dark);
}

.event-status {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-active {
    background: linear-gradient(135deg, var(--success-green), #20c997);
    color: white;
}

.status-inactive {
    background: linear-gradient(135deg, var(--text-light), var(--text-muted));
    color: white;
}

/* Events History */
.events-history {
    max-height: 400px;
    overflow-y: auto;
    padding-right: 1rem;
}

.events-history::-webkit-scrollbar {
    width: 8px;
}

.events-history::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.events-history::-webkit-scrollbar-thumb {
    background: var(--primary-gold);
    border-radius: 4px;
}

.event-item {
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: var(--light-bg);
    transition: all 0.3s ease;
}

.event-item:hover {
    border-color: var(--primary-gold);
    box-shadow: 0 4px 20px var(--shadow-light);
}

.event-item.active {
    background: linear-gradient(135deg, rgba(184, 134, 11, 0.05), rgba(218, 165, 32, 0.05));
    border-color: var(--primary-gold);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu, .user-menu {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .container {
        padding: 0 1rem;
        margin: 1rem auto;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .file-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stats {
        gap: 1rem;
    }
    
    .stat-item {
        min-width: 100px;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
        margin-right: 0;
    }
    
    .file-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 1rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .qr-code-container {
        padding: 1rem;
        margin: 1rem 0;
    }
    
    .stats {
        flex-direction: column;
        align-items: center;
    }
}

/* Print Styles */
@media print {
    body * {
        visibility: hidden;
    }
    
    .print-area, .print-area * {
        visibility: visible;
    }
    
    .print-area {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        display: block !important;
        text-align: center;
        padding: 2rem;
        background: white;
    }
    
    .print-qr {
        max-width: 400px;
        margin: 2rem auto;
    }
    
    .print-title {
        font-size: 2.5rem;
        margin-bottom: 1rem;
        color: #333;
        font-weight: 700;
    }
    
    .print-subtitle {
        font-size: 1.4rem;
        margin-bottom: 2rem;
        color: #666;
    }
    
    .print-url {
        font-family: 'Courier New', monospace;
        font-size: 1.1rem;
        word-break: break-all;
        margin-top: 2rem;
        padding: 1rem;
        border: 2px solid #333;
        background: #f9f9f9;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(184, 134, 11, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-gold);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}