/* -------------------------------------------------------------
   TempMail Pro - CSS Stylesheet
   Modern Glassmorphism & Dual Light/Dark Design System
------------------------------------------------------------- */

:root {
    /* Color Palette - Dark Mode Default */
    --bg-main: #0b0f19;
    --bg-card: rgba(22, 29, 47, 0.7);
    --bg-card-hover: rgba(30, 41, 59, 0.8);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: rgba(99, 102, 241, 0.15);
    
    --success: #10b981;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
    --bg-main: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-hover: rgba(255, 255, 255, 0.98);
    --border-color: rgba(0, 0, 0, 0.08);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 30px -5px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Header Navbar */
.navbar {
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    background: var(--bg-card);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.3rem;
}

.brand-icon {
    color: var(--primary);
    display: flex;
    align-items: center;
}

.brand-name .highlight {
    color: var(--primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.api-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: var(--primary-light);
    padding: 4px 10px;
    border-radius: 20px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--success);
}

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--primary-light);
}

[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="light"] .moon-icon { display: block; }

/* Main Layout */
.main-content {
    flex: 1;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

/* Temp Mail Hero Card */
.temp-mail-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-lg);
}

.card-header {
    text-align: center;
    margin-bottom: 24px;
}

.card-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 6px;
}

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

/* Email Input Box & Copy */
.email-input-group {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.input-wrapper {
    position: relative;
    flex: 1;
}

.input-wrapper input {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--primary);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    outline: none;
    transition: var(--transition);
}

.input-wrapper input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.loading-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 0.8s linear infinite;
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
}

@keyframes spin {
    to { transform: translateY(-50%) rotate(360deg); }
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--primary-light);
    border-color: var(--primary);
}

.btn-outline-danger {
    background: transparent;
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.btn-outline-danger:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 24px;
}

/* Timer Bar */
.timer-section {
    background: var(--bg-main);
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.timer-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.timer-clock {
    color: var(--primary);
    font-size: 1.1rem;
    font-family: monospace;
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--success));
    transition: width 1s linear;
}

/* Inbox Section */
.inbox-section {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-lg);
}

.inbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.inbox-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.badge {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 12px;
}

.polling-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.pulse-ring {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(99, 102, 241, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

/* Empty Inbox State */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-secondary);
}

.empty-illustration {
    margin-bottom: 16px;
    color: var(--text-muted);
}

.empty-state h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 6px;
}

/* Message List */
.message-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--radius-sm);
}

.message-item:hover {
    background: var(--bg-card-hover);
}

.message-sender {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.message-subject {
    color: var(--text-secondary);
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 400px;
}

.message-time {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Modal View */
.modal-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-backdrop.active {
    display: flex;
}

.modal-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 700px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

.modal-meta {
    padding: 12px 20px;
    background: var(--bg-main);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
    min-height: 200px;
    background: #ffffff;
    color: #1e293b;
    border-radius: var(--radius-sm);
    margin: 16px;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

/* Features Grid */
.info-section {
    margin-top: 20px;
}

.info-section h2 {
    text-align: center;
    margin-bottom: 24px;
}

.grid-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.feature-card h3 {
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* FAQ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    padding: 16px;
}

.faq-item summary {
    font-weight: 600;
    cursor: pointer;
}

.faq-item p {
    margin-top: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--primary);
    color: white;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-weight: 600;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
    pointer-events: none;
    z-index: 2000;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 24px 0;
    margin-top: auto;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

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

.footer-links a {
    color: var(--text-secondary);
    margin-left: 16px;
    text-decoration: none;
}

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

/* Responsive Breakpoints */
@media (max-width: 600px) {
    .email-input-group {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    
    .message-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
}