:root {
    color-scheme: light;
    --ink: #142133;
    --muted: #667085;
    --soft: #f4f7fb;
    --panel: #ffffff;
    --line: #d8e0ea;
    --teal: #18b7a7;
    --teal-dark: #08796f;
    --blue: #315fce;
    --gold: #f3b23e;
    --rose: #c2415b;
    --shadow: 0 18px 48px rgba(20, 33, 51, .11);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--ink);
    background: var(--soft);
    line-height: 1.5;
}

a { color: inherit; }

code {
    background: #eef3f8;
    border-radius: 5px;
    padding: 2px 6px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, .94);
    border-bottom: 1px solid rgba(216, 224, 234, .75);
    backdrop-filter: blur(14px);
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    min-height: 76px;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    font-weight: 900;
    font-size: 1.2rem;
    letter-spacing: 0;
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
    color: var(--muted);
}

.nav-links a {
    text-decoration: none;
}

.nav-links a:hover {
    color: var(--ink);
}

.nav-link-with-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.nav-badge {
    display: inline-grid;
    place-items: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    border-radius: 999px;
    background: var(--rose);
    color: #fff;
    font-size: .75rem;
    font-weight: 900;
    line-height: 1;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 7px;
    border: 1px solid var(--teal);
    background: var(--teal);
    color: #fff;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
}

.button:hover {
    background: var(--teal-dark);
    border-color: var(--teal-dark);
}

.button.secondary {
    background: #fff;
    color: var(--teal-dark);
}

.button.secondary:hover {
    background: #e8fbf8;
}

.button:disabled {
    cursor: not-allowed;
    opacity: .62;
}

.disabled-button,
.disabled-button:hover {
    border-color: #cbd5e1;
    background: #e2e8f0;
    color: #64748b;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.main {
    min-height: calc(100vh - 145px);
}

.hero {
    background:
        linear-gradient(90deg, rgba(11, 45, 56, .94), rgba(19, 63, 76, .74)),
        url("https://images.unsplash.com/photo-1522202176988-66273c2fd55f?auto=format&fit=crop&w=1800&q=80");
    background-size: cover;
    background-position: center;
    color: #fff;
}

.hero-inner,
.section {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.hero-inner {
    padding-top: 80px;
    padding-bottom: 58px;
}

.hero h1,
.compact-hero h1 {
    max-width: 820px;
    margin: 0 0 18px;
    font-size: clamp(2.35rem, 5vw, 4.7rem);
    line-height: 1.03;
    letter-spacing: 0;
}

.hero p {
    max-width: 700px;
    margin: 0 0 28px;
    font-size: 1.16rem;
    color: rgba(255, 255, 255, .88);
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--teal-dark);
    font-size: .78rem;
    font-weight: 900;
    letter-spacing: 0;
    text-transform: uppercase;
}

.hero .eyebrow,
.compact-hero .eyebrow {
    color: #8ff1e8;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.hero-stats span {
    border: 1px solid rgba(255, 255, 255, .26);
    border-radius: 999px;
    padding: 8px 12px;
    color: rgba(255, 255, 255, .9);
    background: rgba(255, 255, 255, .08);
}

.search-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .8fr) minmax(145px, .35fr) auto;
    gap: 12px;
    max-width: 1040px;
    padding: 12px;
    background: #fff;
    border: 1px solid rgba(216, 224, 234, .8);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.hero .search-panel {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr) auto;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.field label {
    color: var(--muted);
    font-size: .76rem;
    font-weight: 900;
    text-transform: uppercase;
}

.field-label {
    color: var(--muted);
    font-size: .76rem;
    font-weight: 900;
    text-transform: uppercase;
}

.field input,
.field select,
.field textarea,
.inline-form select {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--line);
    border-radius: 7px;
    padding: 0 12px;
    font: inherit;
    color: var(--ink);
    background: #fff;
}

.field input[readonly],
.field textarea[readonly],
.field select:disabled {
    border-color: #cbd5e1;
    background: #f1f5f9;
    color: #64748b;
    cursor: not-allowed;
}

.field textarea {
    min-height: 160px;
    padding: 12px;
    resize: vertical;
}

.field-note {
    margin: 0;
    color: var(--muted);
    font-size: .92rem;
}

.panel-subsection {
    display: grid;
    gap: 16px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f8fafc;
}

.account-choice-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.account-choice {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr);
    gap: 12px;
    align-items: start;
    min-height: 112px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
}

.account-choice:has(input:checked) {
    border-color: var(--teal);
    background: #e8fbf8;
    box-shadow: 0 0 0 3px rgba(24, 183, 167, .14);
}

.account-choice input {
    margin-top: 4px;
}

.account-choice strong,
.account-choice small {
    display: block;
}

.account-choice strong {
    margin-bottom: 6px;
    font-size: 1.05rem;
}

.account-choice small {
    color: var(--muted);
    font-size: .95rem;
    line-height: 1.45;
}

.section {
    padding-top: 50px;
    padding-bottom: 50px;
}

.section h1 {
    margin: 0 0 14px;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.08;
}

.section h2 {
    margin: 0 0 18px;
    font-size: 1.65rem;
    line-height: 1.15;
}

.section-title,
.page-heading,
.panel-header,
.action-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 24px;
}

.grid,
.metric-grid,
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.metric-grid {
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    margin-bottom: 24px;
}

.card,
.panel,
.metric,
.tutor-card,
.profile-hero {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.card,
.panel,
.metric {
    padding: 22px;
}

.compact-panel {
    margin-bottom: 22px;
}

.compact-panel p {
    margin-bottom: 0;
}

.card h2,
.card h3,
.panel h2,
.tutor-card h2,
.tutor-card h3 {
    margin-top: 0;
}

.metric span {
    display: block;
    font-size: 2.1rem;
    font-weight: 900;
}

.metric p {
    margin: 2px 0 0;
    color: var(--muted);
}

.muted {
    color: var(--muted);
}

.alert {
    border: 1px solid #fecaca;
    border-radius: 7px;
    background: #fff1f2;
    color: #9f1239;
    padding: 12px;
}

.alert.neutral {
    border-color: #bfdbfe;
    background: #eff6ff;
    color: #1d4ed8;
}

.lock-notice strong,
.lock-notice span {
    display: block;
}

.lock-notice strong {
    margin-bottom: 4px;
    color: var(--ink);
}

.verification-alert {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    border-color: #f59e0b;
    background: #fffbeb;
    color: #92400e;
    box-shadow: 0 12px 34px rgba(146, 64, 14, .1);
}

.verification-alert strong,
.verification-alert span {
    display: block;
}

.verification-alert strong {
    margin-bottom: 4px;
    color: #7c2d12;
    font-size: 1.05rem;
}

.verification-alert.compact {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 16px;
}

.pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pill,
.status {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 11px;
    background: #fff;
    text-decoration: none;
}

.status {
    background: #fff7ed;
    border-color: #fed7aa;
    color: #9a3412;
    font-weight: 800;
}

.status-active,
.status-trialing {
    background: #ecfdf3;
    border-color: #bbf7d0;
    color: #166534;
}

.status-pending,
.status-checkout_complete,
.status-incomplete,
.status-canceling {
    background: #eff6ff;
    border-color: #bfdbfe;
    color: #1d4ed8;
}

.status-canceled,
.status-unpaid,
.status-past_due {
    background: #fff1f2;
    border-color: #fecaca;
    color: #9f1239;
}

.compact-hero {
    background:
        linear-gradient(90deg, rgba(13, 46, 62, .95), rgba(34, 74, 95, .78)),
        url("https://images.unsplash.com/photo-1513258496099-48168024aec0?auto=format&fit=crop&w=1800&q=80");
    background-size: cover;
    background-position: center;
    color: #fff;
}

.tutor-landing {
    background:
        linear-gradient(90deg, rgba(13, 46, 62, .95), rgba(34, 74, 95, .72)),
        url("https://images.unsplash.com/photo-1509062522246-3755977927d7?auto=format&fit=crop&w=1800&q=80");
    background-size: cover;
    background-position: center;
    color: #fff;
}

.tutor-landing .section {
    padding-top: 76px;
    padding-bottom: 64px;
}

.tutor-landing h1 {
    margin: 0 0 18px;
    font-size: clamp(2.35rem, 5vw, 4.5rem);
    line-height: 1.04;
}

.tutor-landing p {
    max-width: 680px;
    color: rgba(255, 255, 255, .88);
    font-size: 1.12rem;
}

.landing-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 390px;
    gap: 34px;
    align-items: center;
}

.landing-panel {
    border: 1px solid rgba(255, 255, 255, .24);
    border-radius: 8px;
    padding: 24px;
    background: rgba(255, 255, 255, .12);
    backdrop-filter: blur(14px);
}

.landing-panel h2 {
    margin-top: 0;
}

.landing-actions {
    justify-content: flex-start;
    margin-top: 26px;
    margin-bottom: 0;
}

.step-list {
    display: grid;
    gap: 14px;
    margin: 0;
    padding-left: 22px;
}

.step-list li span {
    display: block;
    color: rgba(255, 255, 255, .82);
}

.compact-hero .section {
    padding-top: 62px;
    padding-bottom: 42px;
}

.result-layout,
.profile-layout {
    display: grid;
    grid-template-columns: 290px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.filter-panel {
    position: sticky;
    top: 100px;
}

.results {
    display: grid;
    gap: 16px;
}

.tutor-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 180px;
    gap: 22px;
    padding: 22px;
}

.tutor-card h2 {
    margin-bottom: 4px;
    font-size: 1.5rem;
}

.tutor-card h3 {
    margin-bottom: 8px;
    font-size: 1.05rem;
    font-weight: 800;
}

.tutor-card-side,
.profile-rate {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-between;
    gap: 14px;
}

.empty-state {
    background: #fff;
    border: 1px dashed var(--line);
    border-radius: 8px;
    padding: 34px;
}

.conversation-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 170px;
    gap: 18px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    text-decoration: none;
}

.conversation-card h2 {
    margin: 0 0 4px;
}

.conversation-card p {
    margin-bottom: 8px;
}

.conversation-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    text-align: right;
}

.class-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 18px;
}

.class-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 18px;
    min-height: 320px;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
}

.class-card h2 {
    margin: 0 0 8px;
}

.class-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    color: var(--muted);
}

.class-card-meta strong,
.class-card-meta span {
    min-height: 32px;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 5px 10px;
    background: #fff;
}

.class-card-meta strong {
    color: var(--ink);
}

.class-lock-note {
    margin: 0;
    padding: 10px 12px;
    border-left: 4px solid #f59e0b;
    border-radius: 7px;
    background: #fffbeb;
    color: #92400e;
}

.class-activity-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}

.class-activity-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
}

.class-activity-card h2 {
    margin-bottom: 6px;
    font-size: 1.35rem;
}

.mini-list {
    display: grid;
    gap: 8px;
}

.mini-list a {
    display: block;
    color: inherit;
    text-decoration: none;
}

.mini-list strong,
.mini-list span {
    display: block;
}

.mini-list span {
    color: var(--muted);
}

.class-hero-card {
    margin-top: 0;
}

.class-manage-list,
.class-request-list {
    display: grid;
    gap: 12px;
}

.class-manage-row,
.class-request-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 14px;
    align-items: center;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
}

.class-request-row {
    grid-template-columns: minmax(0, 1fr) minmax(260px, auto);
}

.request-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.class-manage-row h3,
.class-request-row h3 {
    margin: 0 0 4px;
}

.class-manage-row p,
.class-request-row p {
    margin: 0;
}

.class-request-panel {
    margin-bottom: 24px;
}

.access-details {
    margin: 18px 0;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #f8fafc;
}

.access-details h3 {
    margin: 0 0 10px;
}

.calendar-layout {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.calendar-list {
    display: grid;
    gap: 12px;
}

.calendar-item {
    display: grid;
    grid-template-columns: 145px minmax(0, 1fr) auto;
    gap: 14px;
    align-items: center;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    color: inherit;
    text-decoration: none;
}

.calendar-item time {
    color: var(--teal-dark);
    font-weight: 900;
}

.calendar-item strong,
.calendar-item span {
    display: block;
}

.message-thread {
    display: grid;
    gap: 14px;
    margin-bottom: 24px;
}

.message-bubble {
    max-width: 760px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
}

.message-bubble.mine {
    justify-self: end;
    background: #e8fbf8;
    border-color: #b8eee7;
}

.message-bubble p {
    margin-bottom: 0;
}

.message-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: var(--muted);
    font-size: .9rem;
}

.contact-panel {
    margin-top: 24px;
}

.profile-form {
    display: grid;
    gap: 22px;
}

.verify-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 24px;
    border-color: #f59e0b;
    background: #fffbeb;
    box-shadow: 0 14px 38px rgba(146, 64, 14, .1);
}

.verify-banner h2 {
    color: #7c2d12;
}

.dashboard-list-panel {
    margin-top: 24px;
}

.dashboard-list {
    display: grid;
    gap: 10px;
}

.dashboard-list-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px;
    align-items: center;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    color: inherit;
    text-decoration: none;
}

.dashboard-list-row strong,
.dashboard-list-row span {
    display: block;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.check-card {
    display: flex;
    align-items: center;
    gap: 9px;
    min-height: 46px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: #fff;
}

.status-line {
    margin-bottom: 18px;
}

.table-wrap {
    overflow-x: auto;
}

.table-wrap input,
.table-wrap select {
    width: 100%;
    min-height: 40px;
    border: 1px solid var(--line);
    border-radius: 7px;
    padding: 0 10px;
    font: inherit;
    color: var(--ink);
    background: #fff;
}

.table-wrap .split-cell {
    min-width: 220px;
}

.split-cell {
    display: grid;
    grid-template-columns: minmax(110px, 1fr) minmax(96px, .7fr);
    gap: 8px;
}

.stripe-id-cell {
    max-width: 300px;
}

.stripe-id-cell span {
    display: block;
    overflow-wrap: anywhere;
    font-family: Consolas, Monaco, monospace;
    font-size: .88rem;
}

.subscription-list {
    display: grid;
    gap: 14px;
}

.subscription-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
}

.subscription-main {
    display: grid;
    grid-template-columns: minmax(160px, 1.2fr) minmax(150px, .8fr) minmax(160px, .9fr) minmax(170px, .9fr);
    gap: 18px;
    align-items: start;
}

.subscription-main h3,
.subscription-main p {
    margin: 0 0 6px;
}

.status-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.subscription-stripe {
    max-width: none;
    padding-top: 12px;
    border-top: 1px solid var(--line);
}

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

th,
td {
    border-bottom: 1px solid var(--line);
    padding: 12px;
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: .78rem;
    text-transform: uppercase;
}

.inline-form {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
}

.inline-check {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 40px;
    white-space: nowrap;
}

.inline-check input {
    width: auto;
    min-height: auto;
}

.pricing-grid {
    align-items: stretch;
}

.pricing-card,
.billing-current {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
}

.pricing-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 18px;
    min-height: 360px;
    padding: 24px;
}

.pricing-card h2 {
    margin: 0 0 10px;
}

.price {
    margin: 0;
    color: var(--ink);
    font-size: 2.1rem;
    font-weight: 900;
}

.price span {
    color: var(--muted);
    font-size: 1rem;
    font-weight: 700;
}

.feature-list {
    display: grid;
    gap: 10px;
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
}

.billing-current {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 22px;
    padding: 22px;
}

.profile-hero {
    display: grid;
    grid-template-columns: 82px minmax(0, 1fr) 200px;
    gap: 22px;
    align-items: center;
    padding: 26px;
    margin-bottom: 24px;
}

.avatar {
    display: grid;
    place-items: center;
    width: 82px;
    height: 82px;
    border-radius: 50%;
    background: #dff8f5;
    color: var(--teal-dark);
    font-size: 2rem;
    font-weight: 900;
}

.site-footer {
    border-top: 1px solid var(--line);
    background: #fff;
    color: var(--muted);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

@media (max-width: 900px) {
    .nav,
    .section-title,
    .page-heading,
    .panel-header,
    .action-row,
    .verify-banner,
    .verification-alert,
    .billing-current {
        align-items: flex-start;
        flex-direction: column;
    }

    .nav {
        padding-top: 18px;
        padding-bottom: 18px;
    }

    .nav-links {
        flex-wrap: wrap;
    }

    .class-activity-card {
        align-items: flex-start;
        flex-direction: column;
    }

    .search-panel,
    .hero .search-panel,
    .grid,
    .metric-grid,
    .pricing-grid,
    .form-grid,
    .checkbox-grid,
    .account-choice-grid,
    .landing-grid,
    .result-layout,
    .profile-layout,
    .tutor-card,
    .profile-hero,
    .conversation-card,
    .calendar-layout,
    .calendar-item,
    .dashboard-list-row,
    .class-manage-row,
    .class-request-row {
        grid-template-columns: 1fr;
    }

    .subscription-main {
        grid-template-columns: 1fr;
    }

    .split-cell {
        grid-template-columns: 1fr;
    }

    .filter-panel {
        position: static;
    }

    .tutor-card-side,
    .profile-rate,
    .conversation-meta {
        align-items: flex-start;
        text-align: left;
    }
}