/* ===== Professional TempMail Design ===== */

/* === CSS Variables === */
:root {
    /* Colors - Professional Blue Theme */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;

    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Reset & Base === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'SF Pro Display', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--primary-50) 100%);
    color: var(--gray-900);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === Navigation Bar === */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--gray-900);
}

.brand-icon {
    width: 32px;
    height: 32px;
    color: var(--primary-600);
}

.brand-text {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.pro-badge {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    font-size: 0.625rem;
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-left: 0.25rem;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--gray-600);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.875rem;
    transition: all var(--transition-base);
}

.nav-link svg {
    width: 18px;
    height: 18px;
}

.nav-link:hover {
    color: var(--primary-600);
    background: var(--primary-50);
}

/* === Hero Section === */
.hero {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    color: white;
    padding: var(--spacing-2xl) var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
    margin-bottom: var(--spacing-xl);
    font-weight: 400;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.feature-item svg {
    width: 32px;
    height: 32px;
    opacity: 0.9;
}

/* === Container === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

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

.stat-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
    stroke-width: 2;
}

.stat-icon-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
}

.stat-icon-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.stat-icon-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.stat-icon-info {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
}

.stat-info {
    flex: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    font-family: 'Monaco', 'Courier New', monospace;
    word-break: break-all;
}

/* === Card Component === */
.card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-title svg {
    width: 24px;
    height: 24px;
    color: var(--primary-600);
    stroke-width: 2;
}

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

.card-actions .btn-secondary {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}

.card-actions .btn-secondary:hover {
    background: var(--gray-200);
    color: var(--gray-900);
}

.card-actions .btn-secondary.active {
    background: var(--primary-600);
    color: white;
    border-color: var(--primary-600);
}

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

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

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

.btn-large {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

.btn-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2.5;
}

.btn-icon-only {
    padding: var(--spacing-sm);
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    color: var(--gray-600);
}

.btn-icon-only svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

.btn-icon-only:hover {
    background: var(--primary-50);
    color: var(--primary-600);
    border-color: var(--primary-200);
}

.btn-icon-only.active {
    background: var(--primary-600);
    color: white;
    border-color: var(--primary-600);
}

.btn-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm);
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    color: var(--gray-600);
    text-decoration: none;
    transition: all var(--transition-base);
}

.btn-action svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}

.btn-action:hover {
    background: var(--primary-50);
    color: var(--primary-600);
    border-color: var(--primary-200);
    transform: translateY(-1px);
}

/* === Domain Selector === */
.domain-selector {
    margin-bottom: var(--spacing-lg);
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.domain-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.domain-label svg {
    width: 18px;
    height: 18px;
    color: var(--primary-600);
    stroke-width: 2;
}

.domain-select {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    background: white;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    outline: none;
}

.domain-select:hover {
    border-color: var(--primary-400);
}

.domain-select:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

/* === Email Section === */
.email-display {
    margin-top: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 2px solid var(--primary-200);
}

.email-info-box {
    margin-bottom: var(--spacing-md);
}

.email-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.email-label svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

.email-value-group {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.email-input {
    flex: 1;
    padding: var(--spacing-md);
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    background: white;
    border: 2px solid var(--primary-200);
    border-radius: var(--radius-md);
    font-family: 'Monaco', 'Courier New', monospace;
    outline: none;
    transition: all var(--transition-base);
}

.email-input:focus {
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.email-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.expires-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: white;
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
}

.expires-badge svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
    color: var(--warning);
}

/* === Mail List === */
.mail-count-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    padding: 0 var(--spacing-xs);
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 700;
    margin-left: var(--spacing-sm);
}

.mail-list {
    min-height: 300px;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl);
    color: var(--gray-400);
}

.empty-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    color: var(--gray-300);
    stroke-width: 1.5;
}

.empty-state h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-500);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    font-size: 0.875rem;
    color: var(--gray-400);
}

.mail-item {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-100);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.mail-item:hover {
    background: var(--gray-50);
    padding-left: calc(var(--spacing-lg) + 4px);
}

.mail-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-600);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.mail-item:hover::before {
    opacity: 1;
}

.mail-item:last-child {
    border-bottom: none;
}

.mail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.mail-subject {
    font-weight: 600;
    font-size: 1rem;
    color: var(--gray-900);
    flex: 1;
    line-height: 1.4;
}

.mail-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem var(--spacing-sm);
    background: linear-gradient(135deg, var(--warning), #d97706);
    color: white;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    white-space: nowrap;
    flex-shrink: 0;
}

.mail-info {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--spacing-sm);
}

.mail-preview {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.mail-code {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border: 1px solid #fcd34d;
    border-radius: var(--radius-md);
    font-family: 'Monaco', 'Courier New', monospace;
    font-weight: 700;
    color: var(--gray-800);
    display: inline-block;
    font-size: 0.875rem;
}

/* === Modal === */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    animation: fadeIn var(--transition-base);
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    max-width: 800px;
    width: 100%;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-2xl);
    position: relative;
    z-index: 1;
    animation: slideUp var(--transition-slow);
}

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    flex: 1;
    line-height: 1.4;
}

.modal-close {
    background: var(--gray-100);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.modal-close svg {
    width: 20px;
    height: 20px;
    stroke-width: 2.5;
}

.modal-close:hover {
    background: var(--danger);
    color: white;
}

.modal-body {
    padding: var(--spacing-xl);
    overflow-y: auto;
    flex: 1;
}

.mail-meta {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.mail-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.mail-meta-item:last-child {
    margin-bottom: 0;
}

.mail-meta-item svg {
    width: 16px;
    height: 16px;
    color: var(--gray-400);
    stroke-width: 2;
    flex-shrink: 0;
}

.mail-meta-item strong {
    color: var(--gray-600);
    min-width: 80px;
}

.mail-meta-item span {
    color: var(--gray-900);
}

.mail-codes {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border: 2px solid #fcd34d;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.codes-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.codes-header svg {
    width: 20px;
    height: 20px;
    color: var(--warning);
    stroke-width: 2;
    flex-shrink: 0;
}

.codes-header span {
    font-size: 1rem;
    color: var(--gray-800);
    font-weight: 600;
}

.codes-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.code-item {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: white;
    border: 2px solid #fcd34d;
    border-radius: var(--radius-md);
    font-family: 'Monaco', 'Courier New', monospace;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--gray-900);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.code-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--warning);
    background: #fffbeb;
}

.mail-content {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.content-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.content-header svg {
    width: 20px;
    height: 20px;
    color: var(--gray-400);
    stroke-width: 2;
}

.content-header strong {
    font-size: 1rem;
    color: var(--gray-700);
}

.mail-content pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--gray-800);
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

/* === Footer === */
.footer {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--gray-200);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-section p {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.footer-section a {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-600);
    text-decoration: none;
    margin-bottom: var(--spacing-xs);
    transition: color var(--transition-base);
}

.footer-section a:hover {
    color: var(--primary-600);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

.footer-warning {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--danger);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.footer-warning svg {
    width: 18px;
    height: 18px;
    stroke-width: 2;
    flex-shrink: 0;
}

.footer-copyright {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* === Loading State === */
.btn.loading {
    opacity: 0.7;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* === Animations === */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* === Responsive Design === */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-features {
        gap: var(--spacing-lg);
    }

    .container {
        padding: var(--spacing-md);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .nav-links span {
        display: none;
    }

    .email-value-group {
        flex-direction: column;
        align-items: stretch;
    }

    .email-input {
        font-size: 0.875rem;
    }

    .modal {
        padding: var(--spacing-md);
    }

    .modal-content {
        max-height: 90vh;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .card-header {
        padding: var(--spacing-md);
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

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

    .modal-header {
        padding: var(--spacing-md);
    }

    .modal-body {
        padding: var(--spacing-md);
    }
}

/* === Toast Notifications === */
.toast {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    font-weight: 600;
    font-size: 0.875rem;
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    max-width: 400px;
}

.toast-success {
    background: var(--success);
    color: white;
}

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

.toast-info {
    background: var(--primary-600);
    color: white;
}

.toast-warning {
    background: var(--warning);
    color: white;
}

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

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* === Selection === */
::selection {
    background: var(--primary-200);
    color: var(--primary-900);
}

::-moz-selection {
    background: var(--primary-200);
    color: var(--primary-900);
}

/* === Email List (Multiple Emails) === */
.email-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.generate-hint {
    margin-top: var(--spacing-md);
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* === Email Card === */
.email-card {
    background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
    border: 2px solid var(--primary-200);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.email-card:hover {
    border-color: var(--primary-300);
    box-shadow: var(--shadow-md);
}

.email-card.collapsed .email-card-body {
    display: none;
}

.email-card-header {
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
    user-select: none;
}

.email-card-header:hover {
    background: rgba(255, 255, 255, 0.5);
}

.email-card-info {
    flex: 1;
    min-width: 0;
}

.email-card-address {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.email-card-address-text {
    font-family: 'Monaco', 'Courier New', monospace;
    font-weight: 700;
    font-size: 1rem;
    color: var(--gray-900);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.email-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.email-card-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.email-card-meta-item svg {
    width: 14px;
    height: 14px;
    stroke-width: 2;
}

.email-card-actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.btn-icon-sm {
    padding: var(--spacing-xs);
    background: white;
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-md);
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon-sm svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

.btn-icon-sm:hover {
    background: var(--primary-600);
    color: white;
    border-color: var(--primary-600);
    transform: translateY(-1px);
}

.btn-icon-sm.btn-delete:hover {
    background: var(--danger);
    border-color: var(--danger);
}

.btn-toggle {
    background: transparent;
    border: none;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-base);
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
}

.btn-toggle svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
    transition: transform var(--transition-base);
}

.email-card.collapsed .btn-toggle svg {
    transform: rotate(-90deg);
}

.btn-toggle:hover {
    background: rgba(255, 255, 255, 0.8);
}

.email-card-body {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.email-card-divider {
    height: 1px;
    background: var(--primary-200);
    margin: 0 var(--spacing-lg) var(--spacing-md);
}

.email-card-mailbox {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.email-card-mailbox-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mailbox-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.mailbox-title svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

.mailbox-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 var(--spacing-xs);
    background: var(--primary-600);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
}

.mailbox-refresh {
    padding: 0.25rem;
    background: transparent;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.mailbox-refresh svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
}

.mailbox-refresh:hover {
    background: var(--gray-200);
    color: var(--primary-600);
}

.mailbox-refresh.loading svg {
    animation: spin 0.6s linear infinite;
}

.mail-list-in-card {
    max-height: 400px;
    overflow-y: auto;
}

.mail-list-in-card .empty-state {
    padding: var(--spacing-xl);
}

.mail-list-in-card .empty-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-md);
}

.mail-list-in-card .empty-state h3 {
    font-size: 1rem;
}

.mail-list-in-card .empty-state p {
    font-size: 0.8125rem;
}

.mail-list-in-card .mail-item {
    padding: var(--spacing-md) var(--spacing-lg);
}

.mail-list-in-card .mail-item:hover {
    padding-left: calc(var(--spacing-lg) + 3px);
}

.mail-list-in-card .mail-item::before {
    width: 3px;
}

.mail-list-in-card .mail-subject {
    font-size: 0.9375rem;
}

.mail-list-in-card .mail-info {
    font-size: 0.8125rem;
}

.mail-list-in-card .mail-preview {
    font-size: 0.8125rem;
}

/* === Responsive Updates for Email Cards === */
@media (max-width: 768px) {
    .email-card-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .email-card-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .email-card-meta {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .email-card-address-text {
        font-size: 0.875rem;
    }

    .email-card-meta {
        font-size: 0.75rem;
    }
}

/* === API Notification (Bottom-Left Alert) === */
.api-notification {
    position: fixed;
    left: 20px;
    max-width: 500px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    border: 2px solid var(--primary-300);
    padding: var(--spacing-md);
    opacity: 0;
    transform: translateX(-120%);
    transition: all var(--transition-slow), bottom 0.3s ease;
    z-index: 10001;
    font-size: 0.875rem;
}

.api-notification.show {
    opacity: 1;
    transform: translateX(0);
}

.api-notification-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.api-notification-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xs);
    gap: var(--spacing-md);
}

.api-notification-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
    min-width: 0;
}

.api-notification-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.api-notification-method {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    min-width: 50px;
}

.api-notification-method.get {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.api-notification-method.post {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
}

.api-notification-method.put {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.api-notification-method.delete {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.api-notification-method.patch {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: white;
}

.api-notification-title {
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.api-notification-url {
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.75rem;
    color: var(--gray-900);
    background: var(--gray-50);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-200);
    word-break: break-all;
    overflow-wrap: break-word;
    line-height: 1.4;
}

/* Action Buttons in API Notification */
.api-action-btn {
    background: white;
    border: 1px solid var(--gray-300);
    cursor: pointer;
    padding: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    color: var(--gray-600);
    flex-shrink: 0;
    min-width: 32px;
    min-height: 32px;
}

.api-action-btn svg {
    width: 16px;
    height: 16px;
    stroke-width: 2.5;
    pointer-events: none; /* Prevent SVG from blocking click events */
}

.api-action-btn:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

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

/* Copy button specific */
.api-copy-btn:hover {
    color: var(--primary-600);
    border-color: var(--primary-400);
}

.api-copy-btn.copied {
    color: var(--success);
    border-color: var(--success);
    background: var(--primary-50);
}

/* Close button specific */
.api-close-btn:hover {
    color: var(--danger);
    border-color: var(--danger);
    background: #fef2f2;
}

/* Mini toast for copy confirmation */
.api-copy-toast {
    position: fixed;
    top: 80px;
    right: 20px;
    background: var(--success);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    z-index: 10002;
    opacity: 0;
    transform: translateX(100px);
    transition: all var(--transition-base);
}

.api-copy-toast.show {
    opacity: 1;
    transform: translateX(0);
}

/* Responsive adjustments for API notification */
@media (max-width: 768px) {
    .api-notification {
        max-width: calc(100vw - 40px);
        left: 20px;
        right: 20px;
    }

    .api-notification-url {
        font-size: 0.7rem;
    }

    .api-copy-toast {
        right: 20px;
        top: 70px;
    }
}

@media (max-width: 480px) {
    .api-notification {
        bottom: 10px;
        left: 10px;
        right: 10px;
        max-width: calc(100vw - 20px);
        padding: var(--spacing-sm);
    }

    .api-notification-method {
        font-size: 0.65rem;
        min-width: 45px;
    }

    .api-notification-title {
        font-size: 0.75rem;
    }

    .api-notification-url {
        font-size: 0.65rem;
    }

    .api-action-btn {
        min-width: 28px;
        min-height: 28px;
        padding: 0.25rem;
    }

    .api-action-btn svg {
        width: 14px;
        height: 14px;
    }

    .api-copy-toast {
        top: 60px;
        right: 10px;
        font-size: 0.7rem;
    }
}

/* === Terminal Style API Log === */
.terminal-card {
    background: #1e1e1e;
    border: 2px solid #333;
    box-shadow: var(--shadow-xl);
}

.terminal-card .card-header {
    background: #2d2d2d;
    border-bottom: 2px solid #3d3d3d;
    color: #f0f0f0;
}

.terminal-card .card-title {
    color: #f0f0f0;
}

.terminal-card .card-title svg {
    color: #4ec9b0;
}

.terminal-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    padding: 0 var(--spacing-xs);
    background: linear-gradient(135deg, #4ec9b0, #3ba594);
    color: #1e1e1e;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 700;
    margin-left: var(--spacing-sm);
}

.terminal-body {
    background: #1e1e1e;
    padding: 0;
}

.terminal-output {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: #d4d4d4;
    background: #1e1e1e;
    max-height: 500px;
    overflow-y: auto;
    padding: var(--spacing-md);
}

/* Custom scrollbar for terminal */
.terminal-output::-webkit-scrollbar {
    width: 8px;
}

.terminal-output::-webkit-scrollbar-track {
    background: #252525;
}

.terminal-output::-webkit-scrollbar-thumb {
    background: #3e3e3e;
    border-radius: 4px;
}

.terminal-output::-webkit-scrollbar-thumb:hover {
    background: #4e4e4e;
}

/* Terminal Log Entry Container */
.terminal-log-entry {
    margin-bottom: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.terminal-log-entry.expandable:hover {
    background: rgba(255, 255, 255, 0.03);
}

.terminal-line {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.25rem 0;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-fast);
}

.terminal-line-main {
    cursor: pointer;
    padding: 0.375rem 0.5rem;
    border-radius: var(--radius-sm);
}

.terminal-line-main:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Expand/Collapse Button */
.terminal-expand-btn {
    background: transparent;
    border: none;
    color: #858585;
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.terminal-expand-btn svg {
    width: 14px;
    height: 14px;
    stroke-width: 2.5;
    transition: transform var(--transition-base);
}

.terminal-expand-btn:hover {
    color: #4ec9b0;
}

.terminal-log-entry.expanded .terminal-expand-btn svg {
    transform: rotate(90deg);
}

/* Terminal Details Section */
.terminal-details {
    display: none;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-sm);
    margin: var(--spacing-xs) 0 var(--spacing-sm);
    border-left: 3px solid #4ec9b0;
}

.terminal-log-entry.expanded .terminal-details {
    display: block;
    animation: slideDown 0.2s ease;
}

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

/* Terminal Section (Request/Response) */
.terminal-section {
    margin-bottom: var(--spacing-md);
}

.terminal-section:last-child {
    margin-bottom: 0;
}

.terminal-section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 700;
    color: #dcdcaa;
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.terminal-section-title svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
    color: #4ec9b0;
}

/* Terminal Subsection */
.terminal-subsection {
    margin-bottom: var(--spacing-sm);
}

.terminal-subsection-title {
    color: #858585;
    font-size: 0.8125rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.terminal-json {
    background: rgba(0, 0, 0, 0.4);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    overflow-x: auto;
    font-size: 0.8125rem;
    line-height: 1.5;
    color: #ce9178;
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-height: 300px;
    overflow-y: auto;
}

.terminal-no-body {
    color: #858585;
    font-style: italic;
    font-size: 0.8125rem;
    padding: var(--spacing-xs) 0;
}

/* Status and Duration */
.terminal-status {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.terminal-status-success {
    background: rgba(78, 201, 176, 0.2);
    color: #4ec9b0;
    border: 1px solid #4ec9b0;
}

.terminal-status-warning {
    background: rgba(206, 145, 120, 0.2);
    color: #ce9178;
    border: 1px solid #ce9178;
}

.terminal-status-error {
    background: rgba(244, 135, 113, 0.2);
    color: #f48771;
    border: 1px solid #f48771;
}

.terminal-duration {
    color: #c586c0;
    font-size: 0.8125rem;
    font-weight: 600;
    flex-shrink: 0;
    min-width: 50px;
    text-align: right;
}

.terminal-welcome {
    color: #4ec9b0;
    font-weight: 600;
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid #3d3d3d !important;
}

.terminal-prompt {
    color: #4ec9b0;
    font-weight: 700;
    margin-right: var(--spacing-xs);
}

.terminal-text {
    color: #d4d4d4;
}

.terminal-timestamp {
    color: #858585;
    font-size: 0.8125rem;
    flex-shrink: 0;
    min-width: 90px;
}

.terminal-method {
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
    min-width: 60px;
}

/* HTTP Method Colors (VS Code inspired) */
.terminal-method-get {
    color: #4ec9b0; /* Teal/Green */
}

.terminal-method-post {
    color: #569cd6; /* Blue */
}

.terminal-method-put {
    color: #ce9178; /* Orange */
}

.terminal-method-delete {
    color: #f48771; /* Red */
}

.terminal-method-patch {
    color: #c586c0; /* Purple */
}

.terminal-description {
    color: #dcdcaa; /* Yellow */
    font-weight: 600;
    flex-shrink: 0;
    min-width: 120px;
}

.terminal-url {
    color: #9cdcfe; /* Cyan */
    word-break: break-all;
    flex: 1;
}

/* Button in terminal header */
.terminal-card .btn-secondary {
    background: #2d2d2d;
    color: #d4d4d4;
    border: 1px solid #3d3d3d;
}

.terminal-card .btn-secondary:hover {
    background: #3d3d3d;
    color: #ffffff;
    border-color: #4ec9b0;
}

/* Responsive adjustments for terminal */
@media (max-width: 768px) {
    .terminal-output {
        font-size: 0.75rem;
        max-height: 400px;
    }

    .terminal-line {
        gap: var(--spacing-xs);
    }

    .terminal-timestamp {
        font-size: 0.7rem;
        min-width: 70px;
    }

    .terminal-method {
        font-size: 0.75rem;
        min-width: 50px;
    }

    .terminal-status {
        min-width: 38px;
        font-size: 0.7rem;
    }

    .terminal-duration {
        min-width: 45px;
        font-size: 0.75rem;
    }

    .terminal-description {
        min-width: 90px;
        font-size: 0.8125rem;
    }

    .terminal-details {
        padding: var(--spacing-sm);
    }

    .terminal-json {
        font-size: 0.75rem;
        max-height: 200px;
    }

    .terminal-expand-btn svg {
        width: 12px;
        height: 12px;
    }
}

@media (max-width: 480px) {
    .terminal-output {
        font-size: 0.7rem;
        padding: var(--spacing-sm);
        max-height: 300px;
    }

    .terminal-line {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }

    .terminal-line-main {
        padding: 0.25rem 0.375rem;
    }

    .terminal-expand-btn {
        padding: 0.125rem;
    }

    .terminal-expand-btn svg {
        width: 10px;
        height: 10px;
    }

    .terminal-timestamp {
        font-size: 0.65rem;
        min-width: auto;
    }

    .terminal-method {
        font-size: 0.7rem;
        min-width: auto;
    }

    .terminal-status {
        min-width: 34px;
        font-size: 0.65rem;
        padding: 0.0625rem 0.25rem;
    }

    .terminal-duration {
        min-width: 40px;
        font-size: 0.7rem;
    }

    .terminal-description {
        min-width: auto;
        font-size: 0.75rem;
        width: 100%;
    }

    .terminal-url {
        width: 100%;
        font-size: 0.7rem;
        padding-left: calc(var(--spacing-md) + 10px);
    }

    .terminal-details {
        padding: var(--spacing-xs) var(--spacing-sm);
        margin: var(--spacing-xs) 0;
    }

    .terminal-section-title {
        font-size: 0.8125rem;
    }

    .terminal-section-title svg {
        width: 14px;
        height: 14px;
    }

    .terminal-subsection-title {
        font-size: 0.75rem;
    }

    .terminal-json {
        font-size: 0.7rem;
        max-height: 150px;
        padding: var(--spacing-xs);
    }

    .terminal-count {
        min-width: 24px;
        height: 24px;
        font-size: 0.75rem;
    }
}

/* === Cloudflare Dashboard === */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.badge {
    display: inline-block;
    padding: 0.25em 0.6em;
    font-size: 0.75em;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--radius-md);
}

.status-success {
    color: #fff;
    background-color: var(--success);
}

.status-error {
    color: #fff;
    background-color: var(--danger);
}

.error-state {
    color: var(--danger);
    text-align: center;
}

.error-state pre {
    background-color: var(--gray-100);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    text-align: left;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--gray-800);
}

.footer-nav {
    margin-top: var(--spacing-xl);
    text-align: center;
}

/* === Extract Verification Code Button === */
.btn-extract-code {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.375rem var(--spacing-sm);
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border: 1px solid #fcd34d;
    border-radius: var(--radius-md);
    color: var(--gray-800);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.btn-extract-code svg {
    width: 14px;
    height: 14px;
    stroke-width: 2.5;
}

.btn-extract-code:hover {
    background: linear-gradient(135deg, #fcd34d, #fbbf24);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

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

/* === Inline Codes Display === */
.mail-codes-inline {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, #f0fdf4, #dcfce7);
    border: 2px solid #86efac;
    border-radius: var(--radius-lg);
}

.codes-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--gray-600);
    font-size: 0.875rem;
    padding: var(--spacing-md);
}

.codes-loading .spinner {
    width: 20px;
    height: 20px;
    color: var(--primary-600);
}

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

.codes-result .codes-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.codes-result .codes-header > div:first-child {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex: 1;
    text-align: left;
}

.codes-result .codes-header svg {
    width: 16px;
    height: 16px;
    color: var(--success);
    stroke-width: 2;
}

.codes-close-btn {
    background: transparent;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.codes-close-btn svg {
    width: 14px;
    height: 14px;
    stroke-width: 2.5;
}

.codes-close-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--danger);
}

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

.codes-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.code-chip {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: white;
    border: 2px solid #fcd34d;
    border-radius: var(--radius-md);
    font-family: 'Monaco', 'Courier New', monospace;
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--gray-900);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.code-chip:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--warning);
    background: #fffbeb;
}

.code-chip:active {
    transform: translateY(0);
}

.codes-empty,
.codes-error {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-500);
}

.codes-error {
    color: var(--danger);
}

.codes-empty svg,
.codes-error svg {
    width: 18px;
    height: 18px;
    stroke-width: 2;
}

/* Update mail header to support button */
.mail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.mail-subject {
    font-weight: 600;
    font-size: 1rem;
    color: var(--gray-900);
    flex: 1;
    line-height: 1.4;
    cursor: pointer;
}

.mail-subject:hover {
    color: var(--primary-600);
}

/* === HTML Mail Content Rendering === */
.mail-content-html {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    line-height: 1.7;
    color: var(--gray-800);
    overflow-x: auto;
}

/* HTML Content Typography */
.mail-content-html h1,
.mail-content-html h2,
.mail-content-html h3,
.mail-content-html h4,
.mail-content-html h5,
.mail-content-html h6 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-900);
    font-weight: 700;
}

.mail-content-html h1 { font-size: 1.5rem; }
.mail-content-html h2 { font-size: 1.25rem; }
.mail-content-html h3 { font-size: 1.1rem; }

.mail-content-html p {
    margin-bottom: var(--spacing-sm);
}

.mail-content-html strong,
.mail-content-html b {
    font-weight: 700;
    color: var(--gray-900);
}

.mail-content-html em,
.mail-content-html i {
    font-style: italic;
}

.mail-content-html u {
    text-decoration: underline;
}

/* Links */
.mail-content-html a {
    color: var(--primary-600);
    text-decoration: underline;
    word-break: break-all;
    transition: color var(--transition-base);
}

.mail-content-html a:hover {
    color: var(--primary-700);
    background: var(--primary-50);
}

.mail-content-html a:visited {
    color: var(--primary-800);
}

/* Images */
.mail-content-html img,
.mail-content-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: var(--spacing-sm) 0;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
}

.mail-content-html img:hover {
    box-shadow: var(--shadow-md);
}

/* Lists */
.mail-content-html ul,
.mail-content-html ol {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-xl);
}

.mail-content-html li {
    margin-bottom: var(--spacing-xs);
}

/* Code */
.mail-content-html code {
    background: var(--gray-100);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.875em;
    color: var(--danger);
}

.mail-content-html pre {
    background: var(--gray-900);
    color: var(--gray-100);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--spacing-sm) 0;
}

.mail-content-html pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

/* Tables */
.mail-content-html table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-sm) 0;
    font-size: 0.875rem;
}

.mail-content-html th,
.mail-content-html td {
    padding: var(--spacing-sm);
    border: 1px solid var(--gray-300);
    text-align: left;
}

.mail-content-html th {
    background: var(--gray-100);
    font-weight: 700;
    color: var(--gray-900);
}

.mail-content-html tr:nth-child(even) {
    background: var(--gray-50);
}

/* Blockquotes */
.mail-content-html blockquote {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    border-left: 4px solid var(--primary-600);
    color: var(--gray-600);
    font-style: italic;
}

/* Horizontal Rules */
.mail-content-html hr {
    border: none;
    border-top: 1px solid var(--gray-300);
    margin: var(--spacing-lg) 0;
}

/* View Mode Toggle Button */
.btn-view-mode {
    background: white;
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-md);
    color: var(--gray-600);
    cursor: pointer;
    padding: 0.375rem var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-base);
    margin-left: auto;
}

.btn-view-mode svg {
    width: 14px;
    height: 14px;
    stroke-width: 2;
}

.btn-view-mode:hover {
    background: var(--primary-600);
    color: white;
    border-color: var(--primary-600);
}

/* Update content header for toggle button */
.content-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

/* === Email Status Badges === */
.email-status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    margin-left: var(--spacing-xs);
    vertical-align: middle;
}

.email-status-not-found {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: white;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3);
}

.email-status-error {
    background: linear-gradient(135deg, var(--warning), #d97706);
    color: white;
    box-shadow: 0 2px 4px rgba(245, 158, 11, 0.3);
}

.email-status-expired {
    background: linear-gradient(135deg, var(--gray-500), var(--gray-600));
    color: white;
    box-shadow: 0 2px 4px rgba(107, 114, 128, 0.3);
}

/* === Mail List Loading State === */
.mail-list-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    gap: var(--spacing-sm);
    background: var(--primary-50);
    border-bottom: 2px solid var(--primary-200);
    margin-bottom: var(--spacing-xs);
}

.mail-list-loading-spinner {
    width: 20px;
    height: 20px;
    border: 3px solid var(--primary-100);
    border-top-color: var(--primary-600);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    flex-shrink: 0;
}

.mail-list-loading-text {
    font-size: 0.875rem;
    color: var(--primary-700);
    font-weight: 600;
    animation: pulse 1.5s ease-in-out infinite;
}

/* Skeleton Loading for Mail Items */
.mail-item-skeleton {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-100);
    animation: pulse 1.5s ease-in-out infinite;
}

.skeleton-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.skeleton-line {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
    height: 16px;
}

.skeleton-line.wide {
    width: 70%;
}

.skeleton-line.medium {
    width: 50%;
}

.skeleton-line.short {
    width: 30%;
}

.skeleton-line.badge {
    width: 60px;
    height: 20px;
}

.skeleton-text {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.skeleton-preview {
    margin-top: var(--spacing-sm);
}

.skeleton-preview .skeleton-line {
    margin-bottom: var(--spacing-xs);
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}