:root {
    color-scheme: light;
    --font-sans: "Manrope", "Segoe UI", sans-serif;
    --font-display: "Syne", "Segoe UI", sans-serif;
    --ink: #121a22;
    --ink-soft: #3a4a58;
    --muted: #677887;
    --paper: #e8eef2;
    --surface: #f7fafb;
    --border: #cfd8df;
    --border-strong: #b5c1cb;
    --primary: #1a5f4a;
    --primary-hover: #144c3b;
    --primary-soft: #e4f0eb;
    --danger: #9b2c2c;
    --danger-soft: #fce8e8;
    --success: #1b6b45;
    --success-soft: #e6f5ee;
    --focus: #2a8f70;
    --header: #14212b;
    --radius: 14px;
    --shadow: 0 1px 0 rgba(20, 33, 43, 0.04),
        0 12px 32px rgba(20, 33, 43, 0.06);
    font-family: var(--font-sans);
    line-height: 1.5;
}

* {
    box-sizing: border-box;
}

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(
            ellipse 80% 50% at 100% -10%,
            rgba(26, 95, 74, 0.08),
            transparent 55%
        ),
        radial-gradient(
            ellipse 60% 40% at 0% 100%,
            rgba(20, 33, 43, 0.05),
            transparent 50%
        ),
        var(--paper);
}

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

.admin-shell {
    display: grid;
    grid-template-columns: 232px minmax(0, 1fr);
    min-height: 100vh;
}

.admin-sidebar {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 24px 16px;
    color: #f7f4ef;
    background: var(--header);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.brand {
    margin: 0 8px 20px;
    color: inherit;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.sidebar-label {
    margin: 0 12px 4px;
    color: rgba(247, 244, 239, 0.45);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.sidebar-user {
    margin: 0 8px 16px;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
}

.sidebar-user-name {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.3;
    overflow-wrap: anywhere;
}

.sidebar-user-email {
    margin-top: 4px;
    color: rgba(247, 244, 239, 0.55);
    font-size: 0.78rem;
    overflow-wrap: anywhere;
}

.sidebar-logout {
    margin: auto 8px 0;
}

.sidebar-logout .button {
    width: 100%;
}

.auth-body {
    display: grid;
    place-items: center;
    min-height: 100vh;
    padding: 24px;
}

.auth-gate {
    width: min(420px, 100%);
}

.auth-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 32px 28px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.auth-card h1 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.auth-card .muted {
    margin: 0;
}

.auth-card .button {
    align-self: flex-start;
    margin-top: 8px;
}

.auth-card .notice {
    margin: 0;
}

.auth-brand {
    margin: 0;
    color: var(--primary);
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.auth-form label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    color: var(--ink-soft);
    font-size: 0.875rem;
    font-weight: 600;
}

.auth-form input {
    min-height: 42px;
    padding: 9px 12px;
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    color: var(--ink);
    background: #fff;
    font: inherit;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-link {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    color: rgba(247, 244, 239, 0.72);
    font-size: 0.925rem;
    font-weight: 500;
    text-decoration: none;
    transition:
        color 0.15s ease,
        background 0.15s ease;
}

.sidebar-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.sidebar-link.is-active {
    color: #fff;
    background: rgba(26, 95, 74, 0.45);
}

.admin-main {
    min-width: 0;
}

.page-content {
    width: min(1080px, calc(100% - 40px));
    margin-inline: auto;
    padding-block: 40px 64px;
}

.sidebar-link:focus-visible,
.button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}

.page-heading,
.actions,
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.page-heading h1 {
    margin: 0 0 6px;
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.15rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.page-heading .muted {
    margin: 0;
}

.card,
.table-wrap,
.notice {
    margin-block: 20px;
    padding: 22px 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.panel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
    margin-top: 28px;
}

.panel {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.panel h2 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.panel p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 0.95rem;
}

.panel .button {
    margin-top: auto;
    align-self: flex-start;
}

.panel-meta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.panel-meta::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--primary);
}

.table-wrap {
    overflow-x: auto;
    padding: 0;
}

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

th,
td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
    white-space: nowrap;
}

th {
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

tr:last-child td {
    border-bottom: 0;
}

.details {
    display: grid;
    grid-template-columns: minmax(160px, 0.35fr) 1fr;
    margin: 0;
}

.details dt,
.details dd {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

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

.details dd {
    margin: 0;
    overflow-wrap: anywhere;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 9px 18px;
    border: 1px solid transparent;
    border-radius: 10px;
    color: #fff;
    background: var(--primary);
    font: inherit;
    font-size: 0.925rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s ease;
}

.button:hover {
    background: var(--primary-hover);
}

.button-secondary {
    border-color: var(--border-strong);
    color: var(--ink);
    background: var(--surface);
}

.button-secondary:hover {
    background: var(--paper);
}

.button-danger {
    background: var(--danger);
}

.button-danger:hover {
    background: #7f2323;
}

.status {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    background: #eef1f4;
    font-size: 0.8125rem;
    font-weight: 600;
}

.status-captured,
.status-succeeded {
    color: var(--success);
    background: var(--success-soft);
}

.status-failed,
.status-canceled {
    color: var(--danger);
    background: var(--danger-soft);
}

.notice-success {
    color: var(--success);
    border-color: #b7e4cb;
    background: var(--success-soft);
}

.notice-error {
    color: var(--danger);
    border-color: #f0bdbd;
    background: var(--danger-soft);
}

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

.metadata {
    margin: 0;
    padding-left: 20px;
}

.filters,
.form-grid,
.inline-form {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: end;
}

.filters {
    margin-block: 20px;
    padding: 16px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
}

.form-grid {
    flex-direction: column;
    align-items: stretch;
}

.form-grid label,
.filters label,
.inline-form label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: min(100%, 220px);
    color: var(--ink-soft);
    font-size: 0.875rem;
    font-weight: 600;
}

.field-name {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.tip {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 1.15rem;
    height: 1.15rem;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    color: var(--muted);
    background: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1;
    cursor: help;
}

.tip::after {
    content: attr(data-tip);
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    z-index: 100;
    width: max-content;
    max-width: min(280px, 70vw);
    padding: 8px 10px;
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    color: var(--ink);
    background: #fff;
    box-shadow: var(--shadow);
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1.35;
    text-align: left;
    white-space: normal;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-4px);
    transition: opacity 0.12s ease, transform 0.12s ease, visibility 0.12s ease;
}

.tip:hover::after,
.tip:focus::after,
.tip:focus-visible::after {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.tip:focus {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}

.card.form-grid,
.form-grid,
.resource-fieldset,
.filters {
    overflow: visible;
}

.form-grid input,
.form-grid select,
.form-grid textarea,
.filters input,
.filters select,
.inline-form input {
    width: 100%;
    min-height: 42px;
    padding: 9px 12px;
    border: 1px solid var(--border-strong);
    border-radius: 10px;
    color: var(--ink);
    background: #fff;
    font: inherit;
}

.form-grid textarea {
    min-height: 120px;
    resize: vertical;
}

.code-field {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: min(100%, 220px);
    color: var(--ink-soft);
    font-size: 0.875rem;
    font-weight: 600;
}

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

.code-builder-row {
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    align-items: center;
}

.code-builder-exams {
    display: inline-flex;
    flex-wrap: nowrap;
    gap: 8px;
    flex: 0 0 auto;
}

.code-builder-chip {
    min-height: 34px;
    padding: 6px 12px;
    font-size: 0.8125rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    flex: 0 0 auto;
}

.code-builder-row > select {
    flex: 0 1 220px;
    min-width: 120px;
    max-width: 220px;
    width: 100%;
    min-height: 34px;
    padding: 6px 10px;
}

.code-builder-status[hidden] {
    display: none;
}

.platform-picker {
    display: flex;
    flex-direction: column;
    gap: 8px;
    grid-column: 1 / -1;
}

.platform-picker-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.platform-picker-list {
    display: flex;
    flex-wrap: nowrap;
    gap: 6px;
    align-items: center;
    overflow-x: auto;
    padding-bottom: 2px;
}

.platform-chip {
    flex: 0 0 auto;
    min-height: 28px;
    padding: 4px 10px;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    color: var(--ink);
    background: var(--surface);
    font: inherit;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
}

.platform-chip:hover {
    background: var(--paper);
}

.platform-chip.is-selected,
.platform-chip[aria-pressed="true"] {
    border-color: var(--primary);
    color: #fff;
    background: var(--primary);
}

.platform-chip:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}

.platform-picker-status[hidden] {
    display: none;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.resource-fieldset {
    margin: 0;
    padding: 0;
    border: 0;
    min-width: 0;
}

.resource-fieldset legend {
    padding: 0;
    margin: 0 0 10px;
    color: var(--ink-soft);
    font-size: 0.875rem;
    font-weight: 600;
}

.resource-fields {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.resource-fields label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
    color: var(--ink-soft);
    font-size: 0.875rem;
    font-weight: 600;
}

.checkbox-row {
    flex-direction: row !important;
    align-items: center;
    gap: 10px !important;
    font-weight: 500 !important;
}

.checkbox-row input {
    width: auto;
    min-height: auto;
}

.form-grid h2,
.card h2 {
    margin: 0 0 8px;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
}

.status-draft {
    color: var(--ink-soft);
    background: #eef1f4;
}

.status-published,
.status-awaiting_payment,
.status-created {
    color: #1a4f7a;
    background: #e5f0f8;
}

.status-archived,
.status-expired,
.status-cancelled {
    color: var(--danger);
    background: var(--danger-soft);
}

.status-paid {
    color: var(--success);
    background: var(--success-soft);
}

code {
    font-size: 0.9em;
}

@media (max-width: 860px) {
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        padding-bottom: 16px;
        border-right: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .brand {
        margin-bottom: 12px;
    }

    .sidebar-nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 4px;
    }

    .sidebar-link {
        padding: 8px 12px;
    }
}

@media (max-width: 680px) {
    .page-heading,
    .actions,
    .pagination {
        align-items: stretch;
        flex-direction: column;
    }

    .details {
        grid-template-columns: 1fr;
    }

    .details dt {
        padding-bottom: 0;
        border-bottom: 0;
    }

    .details dd {
        padding-top: 3px;
    }
}

/* --- Demo course cards (Figma 2134:27797) --- */

.demo-catalog__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.course-card {
    --demo-bg: #0b1238;
    --demo-bg-aside: #0c2254;
    --demo-text: #fafbff;
    --demo-muted: #ced8ed;
    --demo-pink: #e22a81;
    --demo-grad: linear-gradient(90deg, #d500c7 0%, #4500ff 46%, #33c0fd 100%);
    position: relative;
    overflow: hidden;
    min-height: 360px;
    border-radius: 32px;
    color: var(--demo-text);
    background: var(--demo-bg);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.08);
}

.course-card__glow,
.course-card__mesh {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.course-card__glow {
    background:
        url("/static/img/demo/card-bg.png") center bottom / cover no-repeat,
        radial-gradient(ellipse 90% 70% at 80% 100%, rgba(51, 192, 253, 0.35), transparent 55%),
        radial-gradient(ellipse 70% 50% at 10% 90%, rgba(69, 0, 255, 0.28), transparent 50%);
    opacity: 0.85;
}

.course-card__mesh {
    opacity: 0.45;
    background-image:
        linear-gradient(rgba(51, 192, 253, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(51, 192, 253, 0.12) 1px, transparent 1px);
    background-size: 28px 28px;
    background-position: center bottom;
    mask-image: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent 70%);
}

.course-card__body {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    height: 100%;
    padding: 24px;
}

.course-card__header {
    display: flex;
    gap: 8px;
    align-items: center;
    width: 100%;
}

.course-card__badge {
    flex-shrink: 0;
    padding: 4px 6px;
    border-radius: 4px;
    background: var(--demo-pink);
    color: #fff;
    font-size: 14px;
    font-weight: 800;
    line-height: 1.2;
    text-transform: uppercase;
}

.course-card__date {
    flex: 1;
    margin: 0;
    color: var(--demo-text);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.2;
    text-transform: uppercase;
}

.course-card__icon {
    flex-shrink: 0;
    display: block;
}

.course-card__content {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 12px;
    min-height: 140px;
    padding-top: 8px;
    padding-right: 12px;
}

.course-card__title {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.1;
}

.course-card__description {
    margin: 0;
    overflow: hidden;
    color: var(--demo-muted);
    font-size: 16px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.course-card__footer {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    justify-content: space-between;
    margin-top: auto;
}

.course-card__meta {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.course-card__rating {
    display: flex;
    gap: 4px;
    align-items: center;
}

.course-card__rating span {
    background: var(--demo-grad);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    font-size: 16px;
    font-weight: 900;
    line-height: 1.3;
}

.course-card__price-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.course-card__price {
    display: flex;
    gap: 2px;
    align-items: flex-end;
    margin: 0;
    font-weight: 700;
}

.course-card__price-value {
    font-size: 20px;
    line-height: 1.2;
}

.course-card__price-unit {
    padding-bottom: 1px;
    font-size: 14px;
    line-height: 1.1;
}

.course-card__discount {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 46px;
    height: 20px;
    padding: 0 6px;
    border-radius: 4px;
    background: var(--demo-pink);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.2;
}

.course-card__old-price {
    margin: 0;
    color: var(--demo-muted);
    font-size: 14px;
    line-height: 1.2;
    text-decoration: line-through;
}

.course-card__brand {
    margin: 0;
    background: var(--demo-grad);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    font-size: 14px;
    line-height: 1.2;
}

.course-card__aside {
    display: flex;
    flex-direction: column;
    gap: 11px;
    align-items: center;
    width: 104px;
    padding: 16px 8px 8px;
    border-radius: 24px;
    background: color-mix(in srgb, var(--demo-bg-aside) 90%, transparent);
}

.course-card__duration {
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 16px;
    font-weight: 900;
    line-height: 1.3;
    white-space: nowrap;
}

.course-card__format {
    margin: 0;
    width: 100%;
    background: var(--demo-grad);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    font-size: 16px;
    font-weight: 900;
    line-height: 1.3;
    text-align: center;
}

.course-card__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 32px;
    padding: 4px 12px 4px 10px;
    border: 0;
    border-radius: 9999px;
    color: #fafbff;
    background: linear-gradient(135deg, #4500ff 0%, #33c0fd 55%, #d500c7 100%);
    font: inherit;
    font-size: 16px;
    font-weight: 500;
    line-height: 1;
    cursor: default;
}

@media (max-width: 1100px) {
    .demo-catalog__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 720px) {
    .demo-catalog__grid {
        grid-template-columns: 1fr;
    }
}

/* --- Demo product blocks (catalog from DB) --- */

.demo-products {
    margin-top: 40px;
}

.demo-products__list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 350px));
    gap: 16px;
    justify-content: start;
}

.demo-product-block {
    width: 350px;
    max-width: 100%;
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

@media (max-width: 400px) {
    .demo-products__list {
        grid-template-columns: 1fr;
    }

    .demo-product-block {
        width: 100%;
    }
}

.demo-product-block__header {
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.demo-product-block__title {
    margin: 0 0 4px;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.demo-product-block__code {
    margin: 0;
}

.demo-product-block__description {
    margin: 8px 0 0;
}

.demo-product-block__tariffs {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.demo-product-block__tariff-form {
    margin: 0;
    width: 100%;
}

.demo-product-block__tariff-btn {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    min-height: 48px;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--paper);
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.demo-product-block__tariff-btn:hover {
    border-color: var(--primary);
    background: var(--primary-soft);
}

.demo-product-block__tariff-btn:disabled {
    opacity: 0.6;
    cursor: default;
}

.demo-product-block__tariff-name {
    font-weight: 600;
    line-height: 1.2;
}

.demo-product-block__tariff-meta {
    flex-shrink: 0;
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.2;
    white-space: nowrap;
}