/* ZenLink Cloud - Dark Mode Developer Theme */

:root {
    /* Dark palette - GitHub/VS Code inspired */
    --bg-canvas: #0d1117;
    --bg-default: #161b22;
    --bg-subtle: #21262d;
    --bg-muted: #30363d;
    --border-default: #30363d;
    --border-muted: #21262d;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent-primary: #58a6ff;
    --accent-emphasis: #1f6feb;
    --accent-muted: rgba(56, 139, 253, 0.15);
    --success: #3fb950;
    --warning: #d29922;
    --danger: #f85149;
}

/* Base styles */
body {
    background: var(--bg-canvas) !important;
    color: var(--text-primary) !important;
}

/* Force FluentUI to respect dark mode */
.layout,
fluent-design-system-provider {
    --neutral-layer-1: var(--bg-canvas) !important;
    --neutral-layer-2: var(--bg-default) !important;
    --neutral-layer-3: var(--bg-subtle) !important;
    --neutral-layer-4: var(--bg-muted) !important;
}

/* Header */
.header {
    background: var(--bg-default) !important;
    border-bottom: 1px solid var(--border-default) !important;
    height: 60px !important;
}

.header .header-gutters {
    width: 100% !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 0 24px !important;
    height: 100% !important;
    display: flex !important;
    align-items: center !important;
}

.header .header-gutters > div {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100% !important;
}

.header .stack-horizontal {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 4px !important;
    width: auto !important;
    flex-shrink: 0 !important;
}

/* Nav links container */
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Nav link base */
.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.nav-link:hover {
    background: var(--bg-subtle);
    color: var(--text-primary);
}

/* Accent colored link (Admin) */
.nav-link-accent {
    color: var(--accent-primary);
}

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

/* Muted link (Sign Out) */
.nav-link-muted {
    color: var(--text-muted);
}

/* Nav divider */
.nav-divider {
    width: 1px;
    height: 24px;
    background: var(--border-default);
    margin: 0 8px;
}

/* Primary nav button (Sign In when logged out) */
.nav-btn-primary {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--accent-emphasis);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.15s ease;
}

.nav-btn-primary:hover {
    background: var(--accent-primary);
    color: white;
}

/* Common button and link styles */
.link-accent {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
}

.link-accent:hover {
    text-decoration: underline;
}

.table-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    transition: all 0.15s ease;
}

.table-link:hover {
    background: var(--bg-subtle);
    color: var(--text-primary);
}

.card-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.15s ease;
}

.card-link:hover {
    color: var(--accent-primary);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--border-default);
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-outline:hover {
    background: var(--bg-subtle);
    border-color: var(--text-muted);
    color: var(--text-primary);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--accent-emphasis);
    border: none;
    border-radius: 8px;
    color: white;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-primary:hover {
    background: var(--accent-primary);
    color: white;
}

/* Table styles */
.table-card {
    background: var(--bg-default);
    border: 1px solid var(--border-default);
    border-radius: 12px;
    overflow: hidden;
}

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

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-muted);
}

.data-table th {
    background: var(--bg-subtle);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.data-table td {
    font-size: 0.9rem;
}

.data-table tbody tr:hover {
    background: var(--bg-subtle);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* Loading spinner */
.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-default);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto;
}

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

/* Message bar */
.message-bar {
    padding: 16px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
}

.message-error {
    background: rgba(248, 81, 73, 0.15);
    color: var(--danger);
    border: 1px solid rgba(248, 81, 73, 0.3);
}

/* Hide FluentUI hamburger */
.header > fluent-button[appearance="stealth"] {
    display: none !important;
}

.layout {
    --nav-width: 0px !important;
}

.nav-menu {
    display: none !important;
}

/* Header Container */
.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
}

/* Logo */
.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-emphasis) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-text {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(180deg, var(--bg-default) 0%, var(--bg-canvas) 100%);
    border: 1px solid var(--border-default);
    border-radius: 16px;
    padding: 80px 48px;
    text-align: center;
    margin-bottom: 64px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(56, 139, 253, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-section > * {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-btn {
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.hero-btn-primary {
    background: var(--accent-emphasis);
    color: white;
    border: none;
}

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

.hero-btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}

.hero-btn-secondary:hover {
    background: var(--bg-subtle);
    border-color: var(--text-muted);
}

.hero-pricing {
    margin-top: 32px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Beta Badge */
.beta-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--accent-muted);
    border: 1px solid rgba(88, 166, 255, 0.3);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: 24px;
}

/* Waitlist Form */
.waitlist-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-row {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.waitlist-input {
    flex: 1;
    padding: 14px 20px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.15s ease;
}

.waitlist-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-muted);
}

.waitlist-input::placeholder {
    color: var(--text-muted);
}

.waitlist-input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.waitlist-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0;
}

.error-message {
    color: var(--danger);
    font-size: 0.9rem;
    margin: 0 0 12px;
}

.confirmation-message {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--text-primary);
}

.confirmation-message.success {
    border-color: rgba(63, 185, 80, 0.3);
    background: rgba(63, 185, 80, 0.1);
}

.confirmation-message.already {
    border-color: rgba(88, 166, 255, 0.3);
    background: var(--accent-muted);
}

/* Invite Notice */
.invite-notice {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-default);
    border-radius: 12px;
    padding: 24px;
    max-width: 500px;
    margin: 0 auto 32px;
    text-align: left;
}

.invite-title {
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 6px 0;
}

.invite-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
    }

    .form-row .hero-btn {
        width: 100%;
        justify-content: center;
    }

    .invite-notice {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
}

/* Feature Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 64px;
}

.feature-card {
    background: var(--bg-default);
    border: 1px solid var(--border-default);
    border-radius: 12px;
    padding: 32px;
    transition: all 0.15s ease;
}

.feature-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-muted);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* How It Works Section */
.how-it-works {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 48px;
    letter-spacing: -0.02em;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.step-card {
    background: var(--bg-default);
    border: 1px solid var(--border-default);
    border-radius: 12px;
    padding: 32px 24px;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--accent-muted);
    color: var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    margin: 0 auto 20px;
}

.step-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.step-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 64px 32px;
    background: var(--bg-default);
    border: 1px solid var(--border-default);
    border-radius: 16px;
    margin-bottom: 64px;
}

/* Login Page */
.login-container {
    max-width: 420px;
    margin: 80px auto;
}

.login-card {
    background: var(--bg-default);
    border: 1px solid var(--border-default);
    border-radius: 16px;
    padding: 48px 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.login-subtitle {
    color: var(--text-secondary);
}

.sso-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sso-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px 24px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.15s ease;
    border: 1px solid var(--border-default);
    width: 100%;
    text-decoration: none;
}

.sso-btn-microsoft {
    background: var(--bg-subtle);
    color: var(--text-primary);
}

.sso-btn-microsoft:hover {
    background: var(--bg-muted);
    border-color: var(--accent-primary);
}

.sso-btn-google {
    background: var(--bg-subtle);
    color: var(--text-primary);
}

.sso-btn-google:hover {
    background: var(--bg-muted);
    border-color: var(--accent-primary);
}

.sso-icon {
    width: 20px;
    height: 20px;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-default);
    border: 1px solid var(--border-default);
    border-radius: 12px;
    padding: 24px;
}

.stat-card:hover {
    border-color: var(--accent-primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-sublabel {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-online {
    background: rgba(63, 185, 80, 0.15);
    color: var(--success);
}

.status-offline {
    background: var(--bg-subtle);
    color: var(--text-muted);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 64px 40px;
    background: var(--bg-default);
    border: 1px dashed var(--border-default);
    border-radius: 12px;
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 20px;
    opacity: 0.4;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state-description {
    color: var(--text-secondary);
    max-width: 400px;
    margin: 0 auto;
}

/* Page Header */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.page-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

/* Data Grid */
fluent-data-grid {
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-default) !important;
}

/* Footer */
fluent-footer {
    background: var(--bg-default) !important;
    border-top: 1px solid var(--border-default) !important;
}

/* Body content */
fluent-body-content {
    background: var(--bg-canvas) !important;
}

/* Override FluentUI text colors */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary) !important;
    border: none !important;
}

p {
    color: var(--text-secondary);
}

a {
    color: var(--accent-primary);
}

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

/* Code blocks */
code {
    background: var(--bg-subtle);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.9em;
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-section {
        padding: 48px 24px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .login-card {
        padding: 32px 24px;
    }
}