:root {
    --home-card-bg: rgba(255, 255, 255, 0.95);
    --home-border: rgba(15, 23, 42, 0.12);
    --home-shadow: 0 25px 45px rgba(148, 163, 184, 0.35);
}

body.home-page {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
}

.home-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px 96px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.home-card {
    background: var(--home-card-bg);
    border: 1px solid var(--home-border);
    border-radius: 24px;
    padding: 32px;
    box-shadow: var(--home-shadow);
    backdrop-filter: blur(6px);
}

.home-hero {
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-align: left;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.25);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-text);
}

.hero-label-button {
    border: none;
    color: inherit;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hero-label-button:focus-visible,
.hero-label-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.4);
}

.home-hero h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
}

.home-hero p {
    max-width: 820px;
    font-size: 18px;
    color: var(--color-muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 12px;
}

.mode-preference {
    margin-top: 16px;
    border: 1px solid var(--home-border);
    border-radius: 18px;
    padding: 18px;
    background: rgba(255, 255, 255, 0.85);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mode-preference-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mode-preference-kicker {
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.mode-preference-status {
    font-size: 14px;
    color: var(--color-muted-strong);
}

.mode-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 999px;
    padding: 4px;
    background: rgba(255, 255, 255, 0.9);
    width: fit-content;
}

.mode-toggle-btn {
    border: none;
    border-radius: 999px;
    padding: 10px 22px;
    background: transparent;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    color: var(--color-muted);
    transition: var(--transition-base);
}

.mode-toggle-btn:hover,
.mode-toggle-btn:focus-visible {
    color: var(--color-text);
    outline: none;
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.25);
}

.mode-toggle-btn[aria-pressed="true"] {
    background: var(--color-surface-strong);
    color: var(--color-text);
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.15);
}

.progress-label {
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 8px;
}

.home-btn-primary {
    background: linear-gradient(135deg, #10B981, #059669);
    color: #fff;
    border: none;
    border-radius: 16px;
    padding: 16px 36px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 18px 36px rgba(16, 185, 129, 0.35);
    transition: transform 0.2s ease;
}

.home-btn-primary:hover {
    transform: translateY(-2px);
}

.home-btn-secondary {
    background: transparent;
    border: 1px solid rgba(15, 23, 42, 0.2);
    color: var(--color-text);
    border-radius: 16px;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

.progress-panel {
    display: grid;
    gap: 20px;
}

.reset-controls {
    margin-top: 20px;
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: flex-end;
}

.reset-warning {
    font-size: 12px;
    color: #b45309;
    max-width: 320px;
}

.reset-warning.hidden {
    display: none;
}

.progress-top {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.progress-meter {
    width: 100%;
    height: 14px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.12);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(135deg, #34d399, #0ea5e9);
    width: 0;
    transition: width 0.35s ease;
}

.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
}

.quick-stat {
    border: 1px solid rgba(15, 23, 42, 0.12);
    border-radius: 18px;
    padding: 18px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 15px 30px rgba(148, 163, 184, 0.25);
}

.quick-stat span {
    font-size: 13px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.quick-stat strong {
    display: block;
    font-size: 26px;
    margin-top: 6px;
    color: var(--color-text);
}

.quick-stat-note {
    margin-top: 8px;
    font-size: 14px;
    color: var(--color-muted-strong);
}

.lesson-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.lesson-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

.lesson-card {
    border-radius: 20px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    padding: 24px;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    box-shadow: 0 22px 40px rgba(148, 163, 184, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.lesson-card.locked {
    opacity: 0.55;
}

.lesson-card:hover,
.lesson-card:focus-within {
    transform: translateY(-4px);
    box-shadow: 0 28px 50px rgba(148, 163, 184, 0.38);
}

.lesson-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lesson-icon {
    font-size: 28px;
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 23, 42, 0.06);
    border-radius: 14px;
}

.lesson-titles h3 {
    margin-top: 6px;
}

.lesson-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--color-muted-strong);
}

.time-estimate {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.06);
    font-weight: 600;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: rgba(15, 23, 42, 0.05);
    border: 1px solid rgba(15, 23, 42, 0.12);
    color: var(--color-muted);
}

.status-pill.completed {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.4);
    color: rgba(22, 163, 74, 1);
}

.status-pill.in-progress {
    background: rgba(250, 204, 21, 0.18);
    border-color: rgba(250, 204, 21, 0.4);
    color: #a16207;
}

.status-pill.locked {
    background: rgba(148, 163, 184, 0.12);
    border-style: dashed;
}

.status-pill.coming-soon {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.45);
    color: #1d4ed8;
}

.coming-soon-note {
    font-size: 13px;
    font-weight: 600;
    color: #1d4ed8;
    margin: -4px 0 4px;
}

.lesson-card button {
    align-self: flex-start;
    margin-top: auto;
    border-radius: 12px;
    padding: 10px 18px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    background: linear-gradient(135deg, #10B981, #059669);
    color: #fff;
    box-shadow: 0 12px 24px rgba(16, 185, 129, 0.35);
}

.lesson-card button[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
}

.learning-path {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.path-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.path-step {
    padding: 10px 18px;
    border-radius: 14px;
    background: rgba(15, 23, 42, 0.05);
    border: 1px solid rgba(15, 23, 42, 0.12);
    font-weight: 600;
    font-size: 14px;
}

.info-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.info-item {
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.12);
    padding: 16px;
    background: rgba(255, 255, 255, 0.9);
    text-align: center;
    box-shadow: 0 15px 30px rgba(148, 163, 184, 0.25);
}

.info-item h4 {
    margin-bottom: 8px;
    color: var(--color-text);
}

.professional-mode .mode-preference-status {
    color: var(--color-muted);
}

@media (max-width: 1024px) {
    .home-shell {
        padding: 28px 18px 84px;
    }

    .home-hero h1 {
        font-size: 42px;
    }
}

@media (max-width: 900px) {
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .mode-toggle {
        width: 100%;
        justify-content: space-between;
    }

    .home-btn-primary,
    .home-btn-secondary {
        width: 100%;
    }

    .progress-top {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    .home-hero h1 {
        font-size: 34px;
    }

    .home-card {
        padding: 22px;
    }

    .quick-stats,
    .lesson-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }

    .path-steps {
        flex-direction: column;
    }

    .path-step {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 600px) {
    .home-shell {
        padding: 20px 14px 70px;
    }

    .home-hero h1 {
        font-size: 30px;
    }

    .hero-label {
        align-self: flex-start;
    }

    .lesson-card,
    .home-card {
        padding: 20px;
    }

    .quick-stat strong {
        font-size: 22px;
    }

    .reset-controls {
        align-items: stretch;
        text-align: left;
    }

    .reset-controls button {
        width: 100%;
    }

    .hero-actions {
        width: 100%;
    }

    .lesson-card button {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .home-btn-primary,
    .home-btn-secondary {
        padding: 14px 20px;
    }

    .info-item {
        padding: 14px;
    }
}

@media (max-width: 360px) {
    .lesson-card, .home-card {
        padding: 16px;
    }
    
    .home-hero h1 {
        font-size: 28px;
    }
}