/* ===========================================================
   Design tokens
   Palette is built around a trading-terminal feel: a media buyer
   reads this screen the way a trader reads a ticker — fast, numeric,
   decisive. Amber is the working/brand color (found on real ad-account
   warning states), teal/red carry profit direction, nothing else competes.
   =========================================================== */
:root {
    --bg:            #10141A;
    --surface:       #171C24;
    --surface-raised:#1D2430;
    --border:        #29313D;
    --text:          #E6E9EE;
    --text-dim:      #8A93A3;
    --text-faint:    #5B6472;
    --amber:         #E3A23C;
    --amber-dim:     #7A5B28;
    --positive:      #34C48C;
    --negative:      #E2596B;
    --radius-sm: 4px;
    --radius-md: 6px;
    --font-ui:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
}

* { box-sizing: border-box; }
html, body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-ui);
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--amber); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- App shell ---------- */
.app-shell {
    display: grid;
    grid-template-columns: 216px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 20px 0;
    display: flex;
    flex-direction: column;
}

.sidebar__brand {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 15px;
    letter-spacing: 0.02em;
    color: var(--text);
    padding: 0 20px 22px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 14px;
}
.sidebar__brand span { color: var(--amber); }

.nav-group { margin-bottom: 18px; }
.nav-group__label {
    font-size: 11px;
    color: var(--text-faint);
    padding: 0 20px 6px;
    letter-spacing: 0.04em;
}
.nav-link {
    display: block;
    padding: 7px 20px;
    color: var(--text-dim);
    font-size: 13.5px;
    border-left: 2px solid transparent;
}
.nav-link:hover { color: var(--text); text-decoration: none; background: rgba(255,255,255,0.02); }
.nav-link.active {
    color: var(--text);
    border-left-color: var(--amber);
    background: rgba(227,162,60,0.07);
}

.main { display: flex; flex-direction: column; min-width: 0; }

.topbar {
    height: 56px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    background: var(--bg);
}
.topbar__daterange {
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--text-dim);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
}
.topbar__user { color: var(--text-dim); font-size: 13px; }
.topbar__user a { color: var(--text-dim); margin-left: 12px; }

.content { padding: 24px; flex: 1; }

/* ---------- KPI cards ---------- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}
@media (max-width: 1100px) { .kpi-grid { grid-template-columns: repeat(3, 1fr); } }

.kpi-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
}
.kpi-card__label {
    font-size: 11.5px;
    color: var(--text-faint);
    letter-spacing: 0.03em;
    margin-bottom: 8px;
}
.kpi-card__value {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.1;
}
.kpi-card__delta { font-family: var(--font-mono); font-size: 11.5px; margin-top: 6px; }
.kpi-card__delta.up { color: var(--positive); }
.kpi-card__delta.down { color: var(--negative); }
.kpi-card__delta.flat { color: var(--text-faint); }

/* ---------- Panels / tables ---------- */
.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}
.panel__header {
    padding: 13px 16px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.panel__title { font-size: 13.5px; font-weight: 600; }
.panel__body { padding: 0; }

table.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data-table th {
    text-align: left;
    font-size: 11px;
    color: var(--text-faint);
    letter-spacing: 0.03em;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; background: var(--surface);
}
table.data-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    font-family: var(--font-mono);
    color: var(--text);
    white-space: nowrap;
}
table.data-table td.text { font-family: var(--font-ui); }
table.data-table tr:last-child td { border-bottom: none; }
table.data-table tr:hover td { background: rgba(255,255,255,0.015); }
.num-positive { color: var(--positive); }
.num-negative { color: var(--negative); }

.empty-state {
    padding: 48px 24px;
    text-align: center;
    color: var(--text-dim);
}
.empty-state__title { font-size: 14px; color: var(--text); margin-bottom: 6px; }
.empty-state__body { font-size: 13px; color: var(--text-faint); max-width: 420px; margin: 0 auto; }

/* ---------- System health ---------- */
.health-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.health-item {
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12.5px;
}
.health-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; margin-right: 7px; }
.health-dot.ok { background: var(--positive); }
.health-dot.warn { background: var(--amber); }
.health-dot.bad { background: var(--negative); }

/* ---------- Login ---------- */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
}
.login-card {
    width: 340px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 28px;
}
.login-card__brand {
    font-family: var(--font-mono);
    font-size: 15px;
    margin-bottom: 20px;
}
.login-card__brand span { color: var(--amber); }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 5px; }
.field input {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 9px 10px;
    color: var(--text);
    font-size: 13.5px;
}
.field input:focus { outline: none; border-color: var(--amber); }
.btn {
    display: inline-block;
    background: var(--amber);
    color: #1A1300;
    border: none;
    border-radius: var(--radius-sm);
    padding: 9px 14px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
}
.btn:hover { background: #eeb055; }
.form-error {
    background: rgba(226,89,107,0.12);
    border: 1px solid rgba(226,89,107,0.4);
    color: var(--negative);
    border-radius: var(--radius-sm);
    padding: 9px 11px;
    font-size: 12.5px;
    margin-bottom: 14px;
}

/* ---------------- Generic CRUD forms ---------------- */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
    padding: 16px;
}
.form-grid .field.full { grid-column: 1 / -1; }
.field select, .field textarea {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 9px 10px;
    color: var(--text);
    font-size: 13.5px;
    font-family: var(--font-ui);
}
.field textarea { font-family: var(--font-mono); font-size: 12.5px; resize: vertical; }
.field select:focus, .field textarea:focus { outline: none; border-color: var(--amber); }
.field__hint { font-size: 11.5px; color: var(--text-faint); margin-top: 4px; }
.form-actions {
    padding: 12px 16px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
}
.btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 9px 14px;
    font-size: 13px;
    cursor: pointer;
    text-decoration: none;
}
.btn-secondary:hover { color: var(--text); border-color: var(--text-faint); text-decoration: none; }
.btn-inline { width: auto; padding: 8px 14px; }
.btn-danger-link { color: var(--negative); background: none; border: none; padding: 0; font-size: 12.5px; cursor: pointer; }
.btn-danger-link:hover { text-decoration: underline; }

.panel__header .btn-inline { width: auto; }
.badge {
    display: inline-block;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    font-family: var(--font-ui);
}
.badge.active { background: rgba(52,196,140,0.15); color: var(--positive); }
.badge.paused { background: rgba(227,162,60,0.15); color: var(--amber); }
.badge.archived { background: rgba(138,147,163,0.15); color: var(--text-dim); }
.badge.error { background: rgba(226,89,107,0.15); color: var(--negative); }
.badge.pending { background: rgba(138,147,163,0.15); color: var(--text-dim); }
.row-actions a, .row-actions button { margin-right: 10px; font-size: 12.5px; }
.copy-url {
    font-family: var(--font-mono);
    font-size: 12px;
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 6px 9px;
    color: var(--text-dim);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.copy-url button {
    background: none; border: none; color: var(--amber); cursor: pointer; font-size: 11px; font-family: var(--font-ui);
}