:root {
    --bg: #0f1216;
    --bg-elevated: #171b21;
    --bg-input: #10141a;
    --border: #262c35;
    --text: #e6e9ee;
    --text-muted: #97a1b0;
    --accent: #f0b429;
    --accent-text: #1a1206;
    --success: #2f9e5f;
    --danger: #d0453b;
    --info: #3b82c4;
    --radius: 8px;
    --gap: 16px;
    --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    color-scheme: dark;
}

body {
    margin: 0;
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.5;
}

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

a:hover {
    text-decoration: underline;
}

h1,
h2,
h3 {
    margin: 0 0 var(--gap);
    line-height: 1.2;
}

/* ---------- header ---------- */

.header {
    background-color: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--gap);
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 24px;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--accent);
    text-transform: uppercase;
}

.logo:hover {
    text-decoration: none;
}

.header__nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.header__balance {
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--bg-input);
    color: var(--text);
    font-variant-numeric: tabular-nums;
}

.header__balance:hover {
    border-color: var(--accent);
    color: var(--accent);
    text-decoration: none;
}

/* ---------- page + layout ---------- */

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

.layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
    align-items: start;
}

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

.sidebar {
    padding: 16px;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.sidebar__title {
    margin-bottom: 12px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.sidebar__list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.sidebar__link {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 6px;
    color: var(--text);
}

.sidebar__link:hover {
    background-color: var(--bg-input);
    text-decoration: none;
}

.sidebar__link.is-active {
    background-color: var(--bg-input);
    color: var(--accent);
}

.content__title {
    font-size: 24px;
}

.content__count {
    color: var(--text-muted);
    font-size: 16px;
    font-weight: 400;
    font-variant-numeric: tabular-nums;
}

.sidebar__count {
    color: var(--text-muted);
    font-size: 13px;
    font-variant-numeric: tabular-nums;
}

/* ---------- pagination ---------- */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
}

.pagination__status {
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

/* ---------- cards ---------- */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--gap);
}

.card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.card__name {
    font-weight: 600;
}

.card__category {
    font-size: 13px;
    color: var(--text-muted);
}

.card__actions {
    display: flex;
    gap: 8px;
    margin-top: auto;
}

/* ---------- buttons ---------- */

.btn {
    display: inline-block;
    padding: 8px 14px;
    border: 1px solid transparent;
    border-radius: 6px;
    background-color: var(--accent);
    color: var(--accent-text);
    font: inherit;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
}

.btn:hover {
    filter: brightness(1.1);
    text-decoration: none;
}

.btn--ghost {
    background-color: transparent;
    border-color: var(--border);
    color: var(--text);
}

.btn--ghost:hover {
    background-color: var(--bg-input);
    filter: none;
}

.btn[disabled],
.btn.is-disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ---------- forms ---------- */

.form {
    max-width: 400px;
    padding: 20px;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.form label {
    display: block;
    margin-bottom: 4px;
    font-size: 13px;
    color: var(--text-muted);
}

.form input,
.form select {
    width: 100%;
    margin-bottom: var(--gap);
    padding: 8px 10px;
    background-color: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font: inherit;
}

.form input:focus,
.form select:focus {
    outline: 2px solid var(--accent);
    outline-offset: -1px;
}

.form-error {
    margin: -8px 0 var(--gap);
    color: var(--danger);
    font-size: 13px;
}

.form ul {
    margin: -8px 0 var(--gap);
    padding-left: 18px;
    color: var(--danger);
    font-size: 13px;
}

/* ---------- profile ---------- */

.profile {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    align-items: start;
    margin-bottom: 24px;
}

.panel {
    padding: 20px;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.panel__title {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.profile__meta {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 16px;
    margin: 0;
}

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

.profile__meta dd {
    margin: 0;
}

.profile__balance {
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    color: var(--accent);
}

/* ---------- tables ---------- */

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

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

.table th {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.table tr:last-child td {
    border-bottom: none;
}

.table td.amount {
    font-variant-numeric: tabular-nums;
    text-align: right;
}

.table td.amount--pos {
    color: var(--success);
}

.table td.amount--neg {
    color: var(--danger);
}

/* ---------- flashes ---------- */

.flash {
    margin-bottom: var(--gap);
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-left-width: 4px;
    border-radius: var(--radius);
    background-color: var(--bg-elevated);
}

.flash--success {
    border-left-color: var(--success);
}

.flash--error,
.flash--danger {
    border-left-color: var(--danger);
}

.flash--info,
.flash--notice {
    border-left-color: var(--info);
}

.flash--warning {
    border-left-color: var(--accent);
}

/* ---------- game ---------- */

.play {
    display: flex;
    flex-direction: column;
    gap: 12px;
    /* Header (~57px) plus the .page padding (24px twice): the frame gets the rest. */
    min-height: calc(100vh - 105px);
}

.play__bar {
    display: flex;
    align-items: center;
    gap: var(--gap);
}

.play__title {
    margin: 0;
    font-size: 18px;
}

.play__balance,
.play__mode {
    margin-left: auto;
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--bg-input);
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

.play__frame {
    flex: 1;
    width: 100%;
    min-height: 420px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: #000;
}