:root {
    --bg-primary: #ffffff;
    --bg-surface: rgba(255, 255, 255, 0.95);
    --bg-elevated: rgba(248, 250, 252, 0.95);
    --bg-card: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: rgba(148, 163, 184, 0.3);
    --shadow-strong: 0 25px 60px -25px rgba(0, 0, 0, 0.1);
    --accent-indigo: #6366f1;
    --accent-purple: #8b5cf6;
    --accent-sky: #0ea5e9;
    --accent-amber: #f59e0b;
    --accent-emerald: #10b981;
    --accent-rose: #f43f5e;
    --accent-teal: #14b8a6;
}

[data-theme="dark"] {
    --bg-primary: #020617;
    --bg-surface: rgba(2, 6, 23, 0.82);
    --bg-elevated: rgba(15, 23, 42, 0.72);
    --bg-card: rgba(15, 23, 42, 0.8);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(71, 85, 105, 0.6);
    --shadow-strong: 0 25px 60px -25px rgba(15, 23, 42, 0.75);
    --accent-indigo: #6366f1;
    --accent-purple: #8b5cf6;
    --accent-sky: #0ea5e9;
    --accent-amber: #f59e0b;
    --accent-emerald: #10b981;
    --accent-rose: #f43f5e;
    --accent-teal: #14b8a6;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: 0.75rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: var(--bg-elevated);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -10px rgba(0, 0, 0, 0.25);
}

.sun-moon-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

[data-theme="light"] .sun {
    display: block;
}

[data-theme="light"] .sun-rays {
    display: block;
}

[data-theme="light"] .moon {
    display: none !important;
}

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

[data-theme="dark"] .sun-rays {
    display: none;
}

[data-theme="dark"] .moon {
    display: block !important;
}

.card {
    background-color: var(--bg-surface);
    border-radius: 1.5rem;
    padding: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-strong);
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease, background-color 0.4s ease;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 35px 55px -35px rgba(56, 189, 248, 0.25);
}

.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.5rem;
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border: 1px solid transparent;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

.action-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 35px -18px rgba(148, 163, 184, 0.4);
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    border-radius: 1.25rem;
    color: #f8fafc;
    text-align: center;
    backdrop-filter: blur(6px);
    transition: transform 0.4s ease, box-shadow 0.4s ease, opacity 0.4s ease;
}

.stat-card .value {
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1;
}

.stat-card .label {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0.9;
}

.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 22px 40px -28px rgba(15, 23, 42, 0.75);
    opacity: 0.95;
}

.detail-card {
    border-radius: 1.5rem;
    overflow: hidden;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-color);
    transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease, background-color 0.4s ease;
}

.detail-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 60px -40px rgba(59, 130, 246, 0.4);
}

.detail-card-header {
    padding: 1.25rem 1.75rem;
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.detail-card-body {
    padding: 1.6rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-row .label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    letter-spacing: 0.01em;
}

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

.post-card {
    background: var(--bg-elevated);
    border-radius: 1.25rem;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.post-card:hover {
    transform: translateY(-6px);
    border-color: rgba(129, 140, 248, 0.5);
    box-shadow: 0 22px 40px -28px rgba(79, 70, 229, 0.4);
}

.post-fit {
    display: block;
    margin-top: 0.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    transition: color 0.3s ease;
}

.faq-item {
    border-radius: 1.5rem;
    border: 1px solid var(--border-color);
    background: var(--bg-elevated);
    padding: 0 1.5rem;
    box-shadow: var(--shadow-strong);
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.faq-toggle {
    width: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.3rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    transition: color 0.3s ease;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: normal;
    line-height: 1.4;
}

.faq-toggle:hover {
    color: var(--accent-indigo);
}

.faq-toggle span:first-child {
    flex: 1;
    line-height: 1.4;
    min-height: fit-content;
}

.faq-icon {
    font-size: 1.5rem;
    line-height: 1;
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.faq-panel {
    max-height: 0;
    overflow: hidden;
    color: var(--text-secondary);
    transition: max-height 0.35s ease, padding-top 0.35s ease, padding-bottom 0.35s ease;
    padding-top: 0;
    padding-bottom: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: normal;
    line-height: 1.6;
    box-sizing: border-box;
}

.faq-panel.open {
    padding-top: 0.5rem;
    padding-bottom: 1.1rem;
}

.faq-panel p {
    margin: 0;
    line-height: 1.6;
    word-break: break-word;
}

.about-point {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 1.25rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, border-color 0.3s ease, background-color 0.3s ease;
}

.about-point:hover {
    transform: translateY(-4px);
    border-color: var(--accent-indigo);
    background: var(--bg-surface);
}

.point-icon {
    color: var(--accent-purple);
    font-weight: 700;
}

.team-choice-card {
    background: linear-gradient(135deg,
            rgba(99, 102, 241, 0.1) 0%,
            rgba(139, 92, 246, 0.1) 50%,
            rgba(59, 130, 246, 0.1) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 2rem;
    padding: 2.5rem;
    box-shadow: 0 25px 60px -20px rgba(99, 102, 241, 0.15);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.team-choice-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 35px 80px -20px rgba(99, 102, 241, 0.2);
}

.team-choice-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.team-choice-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.team-choice-features {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .team-choice-features {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
}

.feature-item {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.025em;
    transition: all 0.3s ease;
    width: fit-content;
    backdrop-filter: blur(8px);
    border: 1px solid transparent;
}

.feature-badge svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.feature-badge-blue {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(99, 102, 241, 0.15));
    color: #3b82f6;
    border-color: rgba(59, 130, 246, 0.2);
}

.feature-badge-purple {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15), rgba(168, 85, 247, 0.15));
    color: #8b5cf6;
    border-color: rgba(139, 92, 246, 0.2);
}

.feature-badge-green {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(5, 150, 105, 0.15));
    color: #10b981;
    border-color: rgba(16, 185, 129, 0.2);
}

.feature-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px -8px rgba(0, 0, 0, 0.15);
}

.feature-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin: 0;
}

.footer-link {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--accent-purple);
}

.value-animated {
    transition: all 0.1s ease-out;
}

#char-counter {
    background: rgba(0, 0, 0, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    backdrop-filter: blur(4px);
    font-family: 'Inter', monospace;
    font-variant-numeric: tabular-nums;
}

[data-theme="light"] #char-counter {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-muted);
}

[data-theme="light"] .bg-slate-950 {
    background-color: var(--bg-primary) !important;
}

[data-theme="light"] .text-slate-100 {
    color: var(--text-primary) !important;
}

[data-theme="light"] .text-slate-50 {
    color: var(--text-primary) !important;
}

[data-theme="light"] .text-slate-400 {
    color: var(--text-secondary) !important;
}

[data-theme="light"] .text-slate-300 {
    color: var(--text-secondary) !important;
}

[data-theme="light"] .text-slate-200 {
    color: var(--text-primary) !important;
}

[data-theme="light"] .text-slate-500 {
    color: var(--text-muted) !important;
}

[data-theme="light"] .border-slate-800 {
    border-color: var(--border-color) !important;
}

[data-theme="light"] .bg-slate-900\/60 {
    background-color: #e2e8f0 !important;
    border: 1px solid var(--border-color) !important;
}

[data-theme="light"] .bg-slate-950\/80 {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    border-color: var(--border-color) !important;
}

[data-theme="light"] .bg-slate-800 {
    background-color: #334155 !important;
}

[data-theme="light"] .bg-slate-950\/60 {
    background-color: #e2e8f0 !important;
    border: 1px solid var(--border-color) !important;
}

[data-theme="light"] .action-btn.bg-slate-900\/60 {
    background-color: #e2e8f0 !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
}

[data-theme="light"] .action-btn.bg-slate-900\/60:hover {
    background-color: #cbd5e1 !important;
    color: var(--text-primary) !important;
}

[data-theme="light"] #text-input {
    background-color: var(--bg-elevated) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

[data-theme="light"] #text-input::placeholder {
    color: var(--text-muted) !important;
}

[data-theme="light"] #keyword-density-results .rounded-xl {
    background-color: var(--bg-elevated) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
}

[data-theme="light"] #keyword-density-results .font-semibold {
    color: var(--text-primary) !important;
}

[data-theme="light"] #keyword-density-results .text-sm {
    color: var(--text-secondary) !important;
}

[data-theme="light"] footer.bg-slate-950 {
    background-color: var(--bg-card) !important;
    border-color: var(--border-color) !important;
}

[data-theme="light"] .post-card .font-semibold {
    color: var(--text-primary) !important;
}

[data-theme="light"] .post-card .text-xs {
    color: var(--text-secondary) !important;
}

[data-theme="light"] .detail-card-header.bg-indigo-500\/20 {
    background-color: rgba(99, 102, 241, 0.2) !important;
    color: #1e293b !important;
}

[data-theme="light"] .detail-card-header.bg-purple-500\/20 {
    background-color: rgba(139, 92, 246, 0.2) !important;
    color: #1e293b !important;
}

[data-theme="light"] .detail-card-header.bg-sky-500\/20 {
    background-color: rgba(14, 165, 233, 0.2) !important;
    color: #1e293b !important;
}

[data-theme="light"] .detail-card-header.bg-amber-500\/20 {
    background-color: rgba(245, 158, 11, 0.2) !important;
    color: #1e293b !important;
}

[data-theme="light"] .detail-card-header.bg-emerald-500\/20 {
    background-color: rgba(16, 185, 129, 0.2) !important;
    color: #1e293b !important;
}

[data-theme="light"] .detail-card-header.bg-rose-500\/20 {
    background-color: rgba(244, 63, 94, 0.2) !important;
    color: #1e293b !important;
}

[data-theme="light"] .text-indigo-200 {
    color: #1e293b !important;
}

[data-theme="light"] .text-purple-200 {
    color: #1e293b !important;
}

[data-theme="light"] .text-sky-200 {
    color: #1e293b !important;
}

[data-theme="light"] .text-amber-200 {
    color: #1e293b !important;
}

[data-theme="light"] .text-teal-200 {
    color: #1e293b !important;
}

[data-theme="light"] .text-emerald-200 {
    color: #1e293b !important;
}

[data-theme="light"] .text-rose-200 {
    color: #1e293b !important;
}

[data-theme="light"] .team-choice-card {
    background: linear-gradient(135deg,
            rgba(99, 102, 241, 0.05) 0%,
            rgba(139, 92, 246, 0.05) 50%,
            rgba(59, 130, 246, 0.05) 100%);
    border-color: rgba(99, 102, 241, 0.15);
    box-shadow: 0 25px 60px -20px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .team-choice-card:hover {
    box-shadow: 0 35px 80px -20px rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .feature-badge-blue {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(99, 102, 241, 0.1));
    color: #2563eb;
    border-color: rgba(59, 130, 246, 0.2);
}

[data-theme="light"] .feature-badge-purple {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(168, 85, 247, 0.1));
    color: #7c3aed;
    border-color: rgba(139, 92, 246, 0.2);
}

[data-theme="light"] .feature-badge-green {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(5, 150, 105, 0.1));
    color: #059669;
    border-color: rgba(16, 185, 129, 0.2);
}

* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
    }

    .value-animated {
        transition: none !important;
    }
}