:root {
    --kbox-primary: #420c5a;
    --kbox-secondary: #6a17ac;
    --kbox-accent: #f4c542;
    --kbox-background: #f6f7fb;
    --kbox-surface: #ffffff;
    --kbox-surface-soft: #faf9fc;
    --kbox-text: #1d1b20;
    --kbox-muted: #6f6a73;
    --kbox-border: #e7e2ea;
    --kbox-danger: #b3261e;
    --kbox-success: #146c43;
    --kbox-warning: #8a5a00;
    --sidebar-width: 272px;
    --topbar-height: 72px;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --shadow-sm: 0 2px 8px rgba(31, 20, 37, 0.06);
    --shadow-md: 0 10px 28px rgba(31, 20, 37, 0.09);
    --shadow-lg: 0 20px 50px rgba(31, 20, 37, 0.14);
}

* { box-sizing: border-box; }

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top right, rgba(106, 23, 172, 0.06), transparent 28rem),
        var(--kbox-background);
    color: var(--kbox-text);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--kbox-secondary);
    text-decoration: none;
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    -webkit-tap-highlight-color: transparent;
}

.app-shell {
    min-height: 100vh;
    display: flex;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--kbox-primary) 94%, #000 6%) 0%, var(--kbox-primary) 100%);
    color: #fff;
    padding: 18px 14px;
    position: fixed;
    inset: 0 auto 0 0;
    overflow-y: auto;
    z-index: 30;
    box-shadow: 8px 0 30px rgba(29, 8, 39, 0.14);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 13px;
    min-height: 68px;
    padding: 4px 10px 20px;
    margin-bottom: 6px;
}

.sidebar-brand img {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    object-fit: contain;
    background: rgba(255,255,255,.1);
    padding: 4px;
}

.sidebar-brand strong {
    display: block;
    font-size: 17px;
    line-height: 1.2;
}

.sidebar-brand small {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: rgba(255,255,255,.7);
}

.brand-mark {
    display: grid;
    place-items: center;
    flex: 0 0 48px;
    width: 48px;
    height: 48px;
    border-radius: 15px;
    background: rgba(255,255,255,.14);
    border: 1px solid rgba(255,255,255,.14);
    color: #fff;
    font-size: 21px;
    font-weight: 800;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}

.sidebar-nav {
    display: grid;
    gap: 4px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    min-height: 46px;
    padding: 10px 14px;
    border-radius: 13px;
    color: rgba(255,255,255,.9);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .01em;
    transition:
        background-color .18s ease,
        transform .18s ease,
        color .18s ease;
}

.sidebar-nav a:hover {
    background: rgba(255,255,255,.10);
    color: #fff;
    transform: translateX(2px);
}

.sidebar-nav a.active {
    background: rgba(255,255,255,.18);
    color: #fff;
    box-shadow:
        inset 0 0 0 1px rgba(255,255,255,.08),
        0 5px 16px rgba(0,0,0,.10);
}

.nav-heading {
    margin: 22px 14px 8px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: rgba(255,255,255,.56);
}

/* Main area */
.main-area {
    margin-left: var(--sidebar-width);
    min-width: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    min-height: var(--topbar-height);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255,255,255,.88);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(231,226,234,.85);
}

.topbar-title {
    flex: 1;
    font-size: 18px;
    font-weight: 750;
    letter-spacing: -.01em;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 14px;
}

.user-chip {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 7px 10px 7px 7px;
    border-radius: 999px;
    background: var(--kbox-surface-soft);
    border: 1px solid var(--kbox-border);
}

.user-avatar {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: color-mix(in srgb, var(--kbox-primary) 14%, #fff 86%);
    color: var(--kbox-primary);
    font-weight: 800;
}

.sidebar-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 12px;
    background: var(--kbox-surface-soft);
    color: var(--kbox-primary);
    font-size: 22px;
    cursor: pointer;
}

.link-button {
    border: 0;
    background: transparent;
    color: var(--kbox-secondary);
    font-weight: 700;
    cursor: pointer;
    padding: 8px 9px;
    border-radius: 10px;
}

.link-button:hover {
    background: color-mix(in srgb, var(--kbox-secondary) 8%, #fff 92%);
}

/* Content */
.content {
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    padding: 34px 36px 44px;
    flex: 1;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 22px;
    margin-bottom: 26px;
}

.page-header h1 {
    margin: 0 0 7px;
    color: var(--kbox-primary);
    font-size: clamp(30px, 3.2vw, 42px);
    line-height: 1.08;
    letter-spacing: -.035em;
}

.page-header p {
    margin: 0;
    color: var(--kbox-muted);
    font-size: 16px;
    line-height: 1.6;
}

.page-actions {
    display: flex;
    flex: 0 0 auto;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}

.page-actions .button {
    min-width: max-content;
}

.panel {
    background: var(--kbox-surface);
    border: 1px solid rgba(231,226,234,.95);
    border-radius: var(--radius-lg);
    padding: 26px;
    box-shadow: var(--shadow-sm);
}

.panel + .panel {
    margin-top: 22px;
}

.panel h2 {
    margin: 0 0 12px;
    color: var(--kbox-primary);
    font-size: 20px;
    letter-spacing: -.02em;
}

.panel p {
    line-height: 1.65;
}

.panel.narrow {
    max-width: 620px;
    margin: 0 auto;
}

/* Dashboard cards */
.stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 22px;
}

.stat {
    position: relative;
    overflow: hidden;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: linear-gradient(180deg, #fff, #fdfbff);
    border: 1px solid rgba(231,226,234,.95);
    border-radius: var(--radius-lg);
    padding: 23px;
    box-shadow: var(--shadow-sm);
    transition:
        transform .18s ease,
        box-shadow .18s ease;
}

.stat:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat::after {
    content: "";
    position: absolute;
    width: 84px;
    height: 84px;
    right: -22px;
    bottom: -24px;
    border-radius: 50%;
    background: color-mix(in srgb, var(--kbox-primary) 8%, transparent 92%);
}

.stat-value {
    position: relative;
    z-index: 1;
    font-size: 36px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -.04em;
    color: var(--kbox-primary);
}

.stat-label {
    position: relative;
    z-index: 1;
    color: var(--kbox-muted);
    font-size: 14px;
    font-weight: 650;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr);
    gap: 22px;
}

.status-list {
    display: grid;
    gap: 12px;
    margin-top: 18px;
}

.status-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 16px;
    border: 1px solid var(--kbox-border);
    border-radius: 14px;
    background: var(--kbox-surface-soft);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--kbox-success);
    box-shadow: 0 0 0 5px rgba(20,108,67,.10);
}

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group.full {
    grid-column: 1 / -1;
}

label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 750;
    color: #403b43;
}

input,
select,
textarea {
    width: 100%;
    min-height: 46px;
    padding: 11px 13px;
    border: 1px solid var(--kbox-border);
    border-radius: 12px;
    background: #fff;
    color: var(--kbox-text);
    outline: none;
    transition:
        border-color .16s ease,
        box-shadow .16s ease,
        background-color .16s ease;
}

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

input:focus,
select:focus,
textarea:focus {
    border-color: color-mix(in srgb, var(--kbox-primary) 62%, #fff 38%);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--kbox-primary) 10%, transparent 90%);
}

input[type="color"] {
    padding: 5px;
    min-height: 46px;
}

.help-text {
    margin-top: 6px;
    color: var(--kbox-muted);
    font-size: 12px;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 11px;
    margin-top: 24px;
}

/* Buttons */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 11px 20px;
    border: 1px solid color-mix(in srgb, var(--kbox-primary) 82%, #000 18%);
    border-radius: 13px;
    background: linear-gradient(135deg, var(--kbox-primary) 0%, var(--kbox-secondary) 100%);
    color: #fff;
    font-size: 14px;
    font-weight: 750;
    line-height: 1.2;
    letter-spacing: .005em;
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
    box-shadow:
        0 7px 16px color-mix(in srgb, var(--kbox-primary) 22%, transparent 78%),
        inset 0 1px 0 rgba(255,255,255,.16);
    transition:
        transform .16s ease,
        box-shadow .16s ease,
        filter .16s ease,
        border-color .16s ease;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow:
        0 10px 22px color-mix(in srgb, var(--kbox-primary) 28%, transparent 72%),
        inset 0 1px 0 rgba(255,255,255,.20);
    filter: brightness(1.06);
}

.button:active {
    transform: translateY(0);
    box-shadow:
        0 4px 10px color-mix(in srgb, var(--kbox-primary) 20%, transparent 80%),
        inset 0 1px 0 rgba(255,255,255,.12);
}

.button:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--kbox-secondary) 24%, transparent 76%);
    outline-offset: 3px;
}

.button-secondary {
    background: #fff;
    color: var(--kbox-primary);
    border-color: color-mix(in srgb, var(--kbox-primary) 24%, #fff 76%);
    box-shadow: 0 4px 12px rgba(31,20,37,.07);
}

.button-secondary:hover {
    background: color-mix(in srgb, var(--kbox-primary) 5%, #fff 95%);
}

.button-muted {
    background: linear-gradient(135deg, #77717b, #625c67);
    border-color: #625c67;
    box-shadow: 0 4px 12px rgba(31,20,37,.10);
}

/* Alerts */
.alert {
    border-radius: 14px;
    padding: 14px 16px;
    margin-bottom: 18px;
    border: 1px solid transparent;
    box-shadow: var(--shadow-sm);
}

.alert-success {
    background: #edf8f1;
    color: var(--kbox-success);
    border-color: #cae7d6;
}

.alert-error {
    background: #fff0ef;
    color: var(--kbox-danger);
    border-color: #f2cac7;
}

.alert-warning {
    background: #fff8e7;
    color: var(--kbox-warning);
    border-color: #ead9a9;
}

.alert-info {
    background: #eef5ff;
    color: #165183;
    border-color: #cadcf0;
}

/* Tables */
.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--kbox-border);
    border-radius: 16px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

th,
td {
    text-align: left;
    padding: 14px 16px;
    border-bottom: 1px solid var(--kbox-border);
}

th {
    color: var(--kbox-primary);
    background: var(--kbox-surface-soft);
    font-size: 12px;
    letter-spacing: .03em;
    text-transform: uppercase;
}

tbody tr:hover {
    background: #fcfaff;
}

.empty-state {
    text-align: center;
    padding: 58px 24px;
    color: var(--kbox-muted);
}

.empty-state h2 {
    color: var(--kbox-primary);
}

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

.footer {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 17px 36px;
    border-top: 1px solid var(--kbox-border);
    color: var(--kbox-muted);
    background: rgba(255,255,255,.72);
    font-size: 12px;
}

@media (max-width: 1120px) {
    .stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-105%);
        transition: transform .22s ease;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-area {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: inline-grid;
        place-items: center;
    }
}

@media (max-width: 700px) {
    .content {
        padding: 24px 16px 34px;
    }

    .topbar {
        padding: 0 16px;
    }

    .topbar-user .user-chip {
        display: none;
    }

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

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

    .page-header {
        flex-direction: column;
    }

    .page-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .footer {
        flex-direction: column;
        padding: 16px;
    }
}