/* ===================================
   Liquid Glass Design - URL Shortener
   =================================== */

/* ตัวแปร CSS */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #4ade80;
    --error-color: #f87171;
    --warning-color: #fbbf24;
    --info-color: #60a5fa;
    
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: rgba(0, 0, 0, 0.1);
    
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-muted: rgba(255, 255, 255, 0.6);
    
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset และ Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Trirong', 'Segoe UI', Tahoma, Geneva, Verdana, serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(252, 70, 107, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(99, 102, 241, 0.3) 0%, transparent 50%);
    animation: backgroundShift 15s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes backgroundShift {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

/* Glass Container */
.glass-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: 0 8px 32px var(--glass-shadow);
    margin-bottom: 20px;
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 48px var(--glass-shadow);
}

/* Auth Card */
.auth-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    max-width: 450px;
    width: 100%;
    box-shadow: 0 8px 32px var(--glass-shadow);
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #fff 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

.auth-footer a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.auth-footer a:hover {
    color: var(--text-primary);
}

/* Forms */
.auth-form, .create-link-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

.form-row .flex-1 { flex: 1; }
.form-row .flex-2 { flex: 2; }

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(240, 147, 251, 0.2);
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--error-color);
    color: white;
}

.btn-warning {
    background: var(--warning-color);
    color: #1f2937;
}

.btn-info {
    background: var(--info-color);
    color: white;
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.875rem;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-copy {
    padding: 4px 12px;
    font-size: 0.875rem;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    margin-left: 10px;
}

.btn-copy:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: rgba(74, 222, 128, 0.2);
    border-color: var(--success-color);
    color: var(--success-color);
}

.alert-error {
    background: rgba(248, 113, 113, 0.2);
    border-color: var(--error-color);
    color: var(--error-color);
}

.alert-warning {
    background: rgba(251, 191, 36, 0.2);
    border-color: var(--warning-color);
    color: var(--warning-color);
}

.alert-info {
    background: rgba(96, 165, 250, 0.2);
    border-color: var(--info-color);
    color: var(--info-color);
}

/* Navbar */
.navbar {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 16px var(--glass-shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.nav-brand:hover {
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.nav-user {
    color: var(--text-secondary);
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px 20px;
}

/* Dashboard Header */
.dashboard-header {
    text-align: center;
    margin-bottom: 40px;
}

.dashboard-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #fff 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dashboard-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 48px var(--glass-shadow);
}

.stat-icon {
    font-size: 3rem;
    line-height: 1;
}

.stat-info h3 {
    font-size: 2rem;
    margin-bottom: 5px;
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Links Table */
.links-table {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.link-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.link-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.link-item.inactive {
    opacity: 0.6;
}

.link-info {
    flex: 1;
}

.link-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.link-urls {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 10px;
}

.short-url,
.original-url {
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.short-url a,
.original-url a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

.short-url a:hover,
.original-url a:hover {
    color: var(--text-primary);
}

.link-meta {
    display: flex;
    gap: 20px;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.link-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-inactive {
    background: rgba(248, 113, 113, 0.3);
    color: var(--error-color);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}

/* Stats Row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.stats-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stats-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.stats-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.stats-label {
    font-weight: 500;
}

.stats-value {
    color: var(--accent-color);
    font-weight: 600;
}

/* Chart Container */
.chart-container {
    padding: 20px 0;
}

.bar-chart {
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    height: 250px;
    gap: 10px;
}

.bar-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.bar-wrapper {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.bar-fill {
    width: 60%;
    background: linear-gradient(180deg, var(--accent-color) 0%, var(--primary-color) 100%);
    border-radius: 8px 8px 0 0;
    transition: var(--transition);
    min-height: 5px;
}

.bar-item:hover .bar-fill {
    opacity: 0.8;
    transform: scaleY(1.05);
}

.bar-label,
.bar-value {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.bar-value {
    font-weight: 600;
    color: var(--text-primary);
}

/* Clicks Table */
.clicks-table {
    overflow-x: auto;
}

.clicks-table table {
    width: 100%;
    border-collapse: collapse;
}

.clicks-table th,
.clicks-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.clicks-table th {
    font-weight: 600;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.clicks-table td {
    color: var(--text-secondary);
}

.clicks-table tr:hover td {
    background: rgba(255, 255, 255, 0.05);
}

.clicks-table a {
    color: var(--accent-color);
    text-decoration: none;
}

.clicks-table a:hover {
    color: var(--text-primary);
}

/* Text Center */
.text-center {
    text-align: center;
    margin: 30px 0;
}

/* Error Card */
.error-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 60px 40px;
    max-width: 500px;
    text-align: center;
    animation: fadeInUp 0.5s ease-out;
}

.error-icon {
    font-size: 5rem;
    margin-bottom: 20px;
}

.error-card h1 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.error-card p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* Landing Page */
.landing-page {
    min-height: 100vh;
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Features Section */
.features-section {
    padding: 80px 20px;
    background: rgba(0, 0, 0, 0.2);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    background: linear-gradient(135deg, #fff 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 48px var(--glass-shadow);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    padding: 80px 20px;
}

.cta-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 60px 40px;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-card h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-card p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* Footer */
.footer {
    padding: 40px 20px;
    text-align: center;
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid var(--glass-border);
}

.footer p {
    color: var(--text-secondary);
    margin: 5px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .link-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .link-actions {
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: 30px 20px;
    }
    
    .glass-card {
        padding: 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-large {
        width: 100%;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ===================================
   Redirect Page & Spinner Styles
   =================================== */

.redirect-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.redirect-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 60px 40px;
    max-width: 500px;
    width: 100%;
    text-align: center;
    box-shadow: 0 8px 32px var(--glass-shadow);
    animation: fadeInUp 0.5s ease-out;
}

/* Spinner Animation */
.spinner {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    position: relative;
}

.spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 4px solid transparent;
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-ring:nth-child(2) {
    border-top-color: var(--primary-color);
    animation-delay: -0.3s;
    width: 90%;
    height: 90%;
    top: 5%;
    left: 5%;
}

.spinner-ring:nth-child(3) {
    border-top-color: var(--secondary-color);
    animation-delay: -0.6s;
    width: 80%;
    height: 80%;
    top: 10%;
    left: 10%;
}

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

/* Redirect Text Styles */
.redirect-title {
    font-size: 1.8rem;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #fff 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.redirect-message {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.redirect-url {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: var(--border-radius-sm);
    margin-top: 20px;
    word-break: break-all;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.redirect-url strong {
    color: var(--accent-color);
    display: block;
    margin-bottom: 8px;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin-top: 30px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
    animation: progress 2s ease-out forwards;
}

@keyframes progress {
    0% {
        width: 0%;
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
    100% {
        width: 100%;
        opacity: 0.8;
    }
}

.redirect-info {
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.redirect-info a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.redirect-info a:hover {
    color: var(--text-primary);
}

/* Loading Spinner - Alternative Style */
.spinner-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 30px 0;
}

.spinner-dot {
    width: 15px;
    height: 15px;
    background: var(--accent-color);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.spinner-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.spinner-dot:nth-child(2) {
    animation-delay: -0.16s;
    background: var(--primary-color);
}

.spinner-dot:nth-child(3) {
    background: var(--secondary-color);
}

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

/* Responsive Redirect Page */
@media (max-width: 480px) {
    .redirect-card {
        padding: 40px 25px;
    }
    
    .redirect-title {
        font-size: 1.5rem;
    }
    
    .redirect-message {
        font-size: 1rem;
    }
    
    .spinner {
        width: 60px;
        height: 60px;
    }
}

/* ===================================
   QR Code Modal Styles
   =================================== */

.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    max-width: 500px;
    width: 90%;
    position: relative;
    box-shadow: 0 8px 32px var(--glass-shadow);
    animation: slideUp 0.3s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
    transform: rotate(90deg);
}

.modal-content h2 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.8rem;
    background: linear-gradient(135deg, #fff 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.qr-container {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius);
    margin-bottom: 25px;
}

.qr-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.qr-code-text {
    margin-top: 15px;
    font-size: 0.95rem;
    color: #333;
    font-weight: 600;
    word-break: break-all;
}

.qr-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.qr-actions .btn {
    flex: 1;
    max-width: 200px;
}

/* Button Success Color */
.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #22c55e;
    transform: translateY(-2px);
}

/* Responsive Modal */
@media (max-width: 480px) {
    .modal-content {
        padding: 30px 20px;
        width: 95%;
    }
    
    .modal-content h2 {
        font-size: 1.5rem;
    }
    
    .qr-actions {
        flex-direction: column;
    }
    
    .qr-actions .btn {
        max-width: 100%;
    }
}