:root {
    --bg: #0b1220;
    --bg2: #0f1a33;
    --card: rgba(255,255,255,.06);
    --card2: rgba(255,255,255,.08);
    --text: rgba(255,255,255,.92);
    --muted: rgba(255,255,255,.72);
    --border: rgba(255,255,255,.10);
    --shadow: 0 10px 30px rgba(0,0,0,.35);
    --radius: 16px;
    --primary: #4aa3ff;
    --primary2: #2b7cff;
    --focus: rgba(74,163,255,.35);
}

@media (prefers-color-scheme: light) {
    :root {
        --bg: #f6f8fc;
        --bg2: #eef2fb;
        --card: rgba(255,255,255,.9);
        --card2: rgba(255,255,255,.95);
        --text: rgba(10,15,25,.92);
        --muted: rgba(10,15,25,.66);
        --border: rgba(10,15,25,.10);
        --shadow: 0 10px 30px rgba(15,25,45,.12);
        --focus: rgba(43,124,255,.18);
    }
}

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
    color: var(--text);
    background: radial-gradient(1200px 500px at 20% -10%, rgba(74,163,255,.35), transparent 60%), radial-gradient(900px 500px at 90% 10%, rgba(43,124,255,.25), transparent 55%), linear-gradient(180deg, var(--bg), var(--bg2));
}

a {
    color: inherit;
    text-decoration: none;
}

    a:focus, button:focus {
        outline: 3px solid var(--focus);
        outline-offset: 2px;
        border-radius: 10px;
    }

.container {
    width: min(1100px, calc(100% - 32px));
    margin: 0 auto;
}

.app {
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

/* Topbar */
.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(10,15,25,.55);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.topbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    gap: 16px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    letter-spacing: .2px;
}

.brand__dot {
    width: 12px;
    height: 12px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    box-shadow: 0 0 0 4px rgba(74,163,255,.18);
}

.nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
}

.nav__sep {
    width: 1px;
    height: 22px;
    background: rgba(255,255,255,.12);
    margin: 0 4px;
}

.nav__link {
    padding: 10px 12px;
    border-radius: 12px;
    color: var(--muted);
    border: 1px solid transparent;
    transition: transform .08s ease, background .12s ease, border-color .12s ease;
}

    .nav__link:hover {
        background: rgba(255,255,255,.06);
        border-color: var(--border);
        transform: translateY(-1px);
        color: var(--text);
    }

.nav__link--active {
    background: rgba(74,163,255,.12);
    border-color: rgba(74,163,255,.35);
    color: var(--text);
}

.nav__form {
    display: inline;
}

.nav__link--button {
    background: transparent;
    cursor: pointer;
    font: inherit;
    line-height: inherit;
}

.nav__user {
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(255,255,255,.06);
    border: 1px solid var(--border);
    color: var(--text);
    font-weight: 650;
}

/* Content */
.content {
    flex: 1;
    padding: 26px 0 34px;
}

.page-hero {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 0 12px;
}

    .page-hero h1 {
        margin: 0;
        font-size: clamp(26px, 3.2vw, 36px);
        line-height: 1.1;
        letter-spacing: -0.5px;
    }

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

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

/* Cards & grid */
.grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 14px;
    margin-top: 12px;
}

.card {
    grid-column: span 6;
    background: linear-gradient(180deg, var(--card2), var(--card));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card--wide {
    grid-column: span 12;
}

@media (max-width: 900px) {
    .card {
        grid-column: span 12;
    }

    .page-hero {
        flex-direction: column;
        align-items: flex-start;
    }
}

.card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 16px 12px;
    border-bottom: 1px solid var(--border);
}

.card__title {
    margin: 0;
    font-size: 16px;
    letter-spacing: .2px;
}

.card__subtitle {
    margin: 6px 0 0;
    font-size: 13px;
    color: var(--muted);
}

.card__body {
    padding: 16px;
}

/* Forms */
.form-grid {
    display: grid;
    gap: 14px;
}

.form-field {
    display: grid;
    gap: 8px;
}

.form-label {
    font-size: 13px;
    color: var(--muted);
}

.input,
.select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.06);
    color: var(--text);
    font: inherit;
}

.form-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.text-danger {
    color: #ff9b9b;
    font-size: 12px;
}

.alert {
    margin: 0 0 16px;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,.06);
}

.alert-success {
    border-color: rgba(74,163,255,.35);
    background: rgba(74,163,255,.12);
}

.alert-danger {
    border-color: rgba(255,100,100,.4);
    background: rgba(255,100,100,.12);
}

.btn-close {
    background: transparent;
    border: 0;
    color: inherit;
    float: right;
    cursor: pointer;
}

/* Tables */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
}

.data-table th,
.data-table td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

.data-table th {
    font-size: 11px;
    letter-spacing: .8px;
    text-transform: uppercase;
    color: var(--muted);
}

.data-table tbody tr:hover {
    background: rgba(255,255,255,.04);
}

.table-primary {
    font-weight: 650;
}

.table-meta {
    font-size: 12px;
}

.table-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.inline-form {
    display: inline;
}

/* Widgets */
.widget {
    min-height: 120px;
    border-radius: 14px;
    border: 1px dashed rgba(255,255,255,.18);
    background: rgba(255,255,255,.04);
    padding: 14px;
}

.loading {
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 10px;
}

    .loading::before {
        content: "";
        width: 14px;
        height: 14px;
        border-radius: 999px;
        border: 2px solid rgba(255,255,255,.25);
        border-top-color: rgba(255,255,255,.75);
        animation: spin 1s linear infinite;
    }

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Pills */
.pill {
    font-size: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(74,163,255,.35);
    background: rgba(74,163,255,.12);
    color: var(--text);
    white-space: nowrap;
}

.pill--neutral {
    border-color: rgba(255,255,255,.20);
    background: rgba(255,255,255,.08);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 14px;
    border: 1px solid transparent;
    font-weight: 650;
    letter-spacing: .2px;
    transition: transform .08s ease, filter .12s ease, background .12s ease, border-color .12s ease;
}

    .btn:hover {
        transform: translateY(-1px);
        filter: brightness(1.03);
    }

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary2));
    color: white;
}

.btn-sm {
    padding: 6px 10px;
    border-radius: 12px;
    font-size: 12px;
}

.btn-ghost {
    background: rgba(255,255,255,.06);
    border-color: var(--border);
    color: var(--text);
}

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    background: rgba(10,15,25,.35);
    backdrop-filter: blur(10px);
}

.footer__inner {
    display: flex;
    gap: 10px;
    align-items: center;
    justify-content: center;
    padding: 16px 0;
    color: var(--muted);
    font-size: 13px;
}

.footer__sep {
    opacity: .5;
}