/* Knowledge Pathway — Clean light theme */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Nav ── */

.main-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
    flex: 1;
}

.nav-link {
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    text-decoration: none;
    transition: background 0.15s, color 0.15s;
}

.nav-link:hover {
    background: var(--color-surface-hover);
    color: var(--color-text);
    text-decoration: none;
}

.nav-link.active {
    background: var(--color-primary);
    color: #fff;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.nav-user-name {
    color: var(--color-text-secondary);
}

/* ── Container ── */

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* ── Buttons ── */

.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--color-primary-hover);
    text-decoration: none;
}

.btn-secondary {
    background: var(--color-surface-hover);
    color: var(--color-text);
}
.btn-secondary:hover {
    background: var(--color-border);
    text-decoration: none;
}

.btn-text {
    background: none;
    color: var(--color-text-secondary);
    padding: 0.5rem;
}
.btn-text:hover {
    color: var(--color-text);
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1.1rem;
}

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8rem; }

/* ── Cards ── */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.card h2 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

/* ── Alerts ── */

.alert {
    padding: 0.875rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.alert-error {
    background: #fef2f2;
    color: var(--color-danger);
    border: 1px solid #fecaca;
}

.alert-warning {
    background: #fffbeb;
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-success {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.alert-info {
    background: #eff6ff;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* ── Forms ── */

.form-grid { display: flex; flex-direction: column; gap: 0.75rem; }
.form-group { display: flex; flex-direction: column; gap: 0.25rem; }
.form-group label { font-size: 0.85rem; font-weight: 500; color: var(--color-text-secondary); }

.form-input {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    font-size: 0.9rem;
    background: var(--color-surface);
    color: var(--color-text);
    width: 100%;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

textarea.form-input { resize: vertical; font-family: inherit; }

/* ── Error page ── */

.error-page {
    text-align: center;
    padding: 6rem 1rem;
}

.error-page h1 {
    font-size: 5rem;
    color: var(--color-text-secondary);
}

.error-page p {
    color: var(--color-text-secondary);
    margin: 1rem 0 2rem;
}

/* ── Empty state ── */

.empty-state {
    text-align: center;
    color: var(--color-text-secondary);
    padding: 3rem 1rem;
}

/* ── Landing ── */

.landing {
    text-align: center;
    padding: 4rem 1rem;
}

.landing-hero {
    max-width: 600px;
    margin: 0 auto 3rem;
}

.landing-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.landing-tagline {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

.landing-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1.5rem;
}

.landing-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text-secondary);
}

.landing-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
    text-align: left;
}

.feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: 1.5rem;
}

.feature-card h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

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

.landing-section {
    max-width: 700px;
    margin: 3rem auto;
    text-align: center;
}

.landing-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.landing-section p {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

.faq-item {
    text-align: left;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    margin-bottom: 0.5rem;
}

.faq-item summary {
    padding: 0.875rem 1rem;
    cursor: pointer;
    font-weight: 500;
    color: var(--color-text);
}

.faq-item p {
    padding: 0 1rem 0.875rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ── Auth ── */

.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.auth-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    padding: 2rem;
    max-width: 400px;
    width: 100%;
}

.auth-card h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.auth-card .text-secondary {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.auth-success {
    text-align: center;
    padding: 1rem 0;
}

.auth-success h2 {
    color: var(--color-success);
    margin-bottom: 0.5rem;
}

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

/* ── Dashboard ── */

.dashboard h1 {
    margin-bottom: 0.25rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.order-card {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s;
}

.order-card:hover {
    border-color: var(--color-primary);
    text-decoration: none;
}

.order-status {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: capitalize;
}

.status-paid { background: #dbeafe; color: #1e40af; }
.status-fulfilling { background: #fef3c7; color: #92400e; }
.status-shipped { background: #dcfce7; color: #166534; }
.status-delivered { background: #dcfce7; color: #166534; }
.status-refunded { background: #fef2f2; color: #991b1b; }
.status-fulfillment_failed { background: #fef2f2; color: #991b1b; }

.mentor-cta {
    border-left: 3px solid var(--color-secondary);
    padding-left: 1.25rem;
}

.mentor-cta h3 {
    color: var(--color-secondary);
    margin-bottom: 0.25rem;
}

.mentor-cta p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

/* ── Order detail ── */

.order-timeline {
    display: flex;
    gap: 0;
    margin: 2rem 0;
    position: relative;
}

.timeline-step {
    flex: 1;
    text-align: center;
    position: relative;
}

.timeline-step::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-border);
    z-index: 0;
}

.timeline-step:first-child::before {
    left: 50%;
}

.timeline-step:last-child::before {
    right: 50%;
}

.timeline-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-border);
    margin: 0 auto 0.5rem;
    position: relative;
    z-index: 1;
}

.timeline-step.completed .timeline-dot {
    background: var(--color-success);
}

.timeline-step.active .timeline-dot {
    background: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
}

.timeline-label {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    text-transform: capitalize;
}

.timeline-step.completed .timeline-label,
.timeline-step.active .timeline-label {
    color: var(--color-text);
    font-weight: 500;
}

.shipping-info, .tracking-info {
    margin-top: 1rem;
}

.shipping-info h3, .tracking-info h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.shipping-info p, .tracking-info p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ── Mentor chat ── */

.mentor-layout {
    display: flex;
    gap: 0;
    min-height: calc(100vh - 200px);
    margin: -2rem -1.5rem;
}

.mentor-sidebar {
    width: 250px;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.mentor-sidebar h3 {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.75rem;
}

.conversation-list {
    list-style: none;
    flex: 1;
    overflow-y: auto;
}

.conversation-item {
    display: block;
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    text-decoration: none;
    margin-bottom: 0.25rem;
    transition: background 0.15s;
}

.conversation-item:hover {
    background: var(--color-surface-hover);
    text-decoration: none;
}

.conversation-item.active {
    background: var(--color-primary);
    color: #fff;
}

.mentor-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.mentor-disclosure {
    padding: 0.75rem 1.5rem;
    background: #eff6ff;
    border-bottom: 1px solid #bfdbfe;
    font-size: 0.8rem;
    color: #1e40af;
}

.mentor-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message {
    max-width: 75%;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

.message-user {
    align-self: flex-end;
    background: var(--color-primary);
    color: #fff;
    border-bottom-right-radius: 0.25rem;
}

.message-assistant {
    align-self: flex-start;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    border-bottom-left-radius: 0.25rem;
}

.message-content {
    white-space: pre-wrap;
    word-wrap: break-word;
}

.mentor-input {
    display: flex;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
}

.mentor-input textarea {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 0.375rem;
    font-size: 0.9rem;
    font-family: inherit;
    resize: none;
    min-height: 40px;
    max-height: 120px;
    background: var(--color-bg);
    color: var(--color-text);
}

.mentor-input textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.mentor-loading {
    align-self: flex-start;
    padding: 0.75rem 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 0.75rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-style: italic;
}

.mentor-limit {
    text-align: center;
    padding: 0.5rem;
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

/* ── Legal pages ── */

.legal-page h1 { margin-bottom: 0.5rem; }
.legal-page .last-updated { color: var(--color-text-secondary); font-size: 0.85rem; margin-bottom: 2rem; }
.legal-page h2 { font-size: 1.15rem; margin-top: 2rem; margin-bottom: 0.75rem; }
.legal-page p, .legal-page li { font-size: 0.9rem; color: var(--color-text-secondary); margin-bottom: 0.75rem; }
.legal-page ul { padding-left: 1.5rem; list-style: disc; }
.legal-page a { color: var(--color-primary); }

/* ── Footer ── */

.site-footer {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    border-top: 1px solid var(--color-border);
    margin-top: 3rem;
}

.footer-disclaimers {
    margin-bottom: 1rem;
}

.disclaimer {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    margin-bottom: 0.25rem;
}

.footer-links {
    margin-top: 0.5rem;
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 0.8rem;
}

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

/* ── Responsive ── */

@media (max-width: 768px) {
    .main-nav {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    .nav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
    }
    .nav-user-name { display: none; }
    .landing-hero h1 { font-size: 1.75rem; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .mentor-sidebar { display: none; }
    .mentor-layout { margin: -2rem -1.5rem; }
    .order-timeline { flex-direction: column; gap: 0.5rem; }
    .timeline-step::before { display: none; }
    .timeline-step { text-align: left; display: flex; align-items: center; gap: 0.75rem; }
    .timeline-dot { margin: 0; }
}