:root {
    --bg: #f3f4f6;
    --card: #ffffff;
    --text: #111827;
    --muted: #6b7280;
    --border: #e5e7eb;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --warn-bg: #fef3c7;
    --warn-text: #92400e;
    --error-bg: #fee2e2;
    --error-text: #991b1b;
    --success-bg: #d1fae5;
    --success-text: #065f46;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font: 14px/1.5 -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: 22px; margin: 18px 0 14px; }
h2 { font-size: 16px; margin: 0 0 12px; }

code, pre {
    font-family: Consolas, Menlo, monospace;
    background: #f1f5f9;
    border-radius: 4px;
}
code { padding: 1px 5px; }
pre { padding: 10px 12px; overflow-x: auto; }

.muted { color: var(--muted); }
.error-text { color: var(--danger); font-size: 13px; }
.error-detail { color: var(--danger); white-space: pre-wrap; }

/* --- Шапка --- */
.topbar { background: #111827; color: #fff; }
.topbar-inner {
    max-width: 1200px; margin: 0 auto; padding: 0 16px;
    display: flex; align-items: center; gap: 24px; height: 52px;
}
.brand { color: #fff; font-weight: 700; font-size: 15px; }
.brand:hover { text-decoration: none; }
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a {
    color: #d1d5db; padding: 6px 12px; border-radius: 6px; font-size: 13px;
}
.topbar nav a:hover { background: #1f2937; text-decoration: none; }
.topbar nav a.active { background: #374151; color: #fff; }
.logout-form { display: flex; align-items: center; gap: 10px; margin: 0; }
.user-name { color: #9ca3af; font-size: 13px; }

.container { max-width: 1200px; margin: 0 auto; padding: 8px 16px 40px; }

/* --- Карточки --- */
.card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 10px; padding: 16px 18px; margin-bottom: 16px;
}
.empty-state { text-align: center; padding: 40px; }

/* --- KPI --- */
.kpi-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px; margin-bottom: 16px;
}
.kpi {
    background: var(--card); border: 1px solid var(--border); border-radius: 10px;
    padding: 14px 16px; display: flex; flex-direction: column; gap: 4px;
}
.kpi-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
.kpi-value { font-size: 20px; font-weight: 700; }

/* --- Формы и фильтры --- */
.filter-bar {
    display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end;
    background: var(--card); border: 1px solid var(--border);
    border-radius: 10px; padding: 12px 16px; margin-bottom: 16px;
}
.filter-bar label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }

input[type=text], input[type=search], input[type=email], input[type=password],
input[type=date], input[type=number], select {
    padding: 7px 10px; border: 1px solid var(--border); border-radius: 6px;
    font: inherit; background: #fff; min-width: 120px;
}
input:focus, select:focus { outline: 2px solid #bfdbfe; border-color: var(--primary); }
.input-days { width: 90px; min-width: 90px; }

.btn {
    display: inline-block; padding: 7px 14px; border-radius: 6px; cursor: pointer;
    border: 1px solid var(--border); background: #fff; color: var(--text);
    font: inherit; font-size: 13px;
}
.btn:hover { background: #f9fafb; text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { background: #fff; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--error-bg); }
.btn-ghost { background: transparent; border-color: #374151; color: #d1d5db; }
.btn-ghost:hover { background: #1f2937; }
.btn-small { padding: 4px 10px; font-size: 12px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .6; cursor: wait; }

.inline-form { display: inline-flex; gap: 8px; align-items: center; margin: 0; flex-wrap: wrap; }

/* --- Таблицы --- */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td {
    padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left;
    vertical-align: top;
}
.data-table th { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .3px; }
.data-table tbody tr:hover { background: #f9fafb; }
.data-table .num { text-align: right; white-space: nowrap; }
.data-table tfoot td { border-top: 2px solid var(--border); border-bottom: none; }

/* --- Бейджи --- */
.badge {
    display: inline-block; padding: 2px 8px; border-radius: 999px;
    font-size: 11px; font-weight: 600; vertical-align: middle;
}
.badge-warn { background: var(--warn-bg); color: var(--warn-text); }
.badge-error { background: var(--error-bg); color: var(--error-text); }
.badge-state-on { background: var(--success-bg); color: var(--success-text); }
.badge-state-off, .badge-state-suspended { background: var(--warn-bg); color: var(--warn-text); }
.badge-state-archived, .badge-state-ended { background: #e5e7eb; color: var(--muted); }

/* --- Флеш-сообщения --- */
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; }
.flash-success { background: var(--success-bg); color: var(--success-text); }
.flash-error { background: var(--error-bg); color: var(--error-text); }

/* --- Вкладки срезов --- */
.tabs { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; }
.tab {
    padding: 7px 14px; border-radius: 999px; font-size: 13px;
    background: var(--card); border: 1px solid var(--border); color: var(--text);
}
.tab:hover { text-decoration: none; background: #f9fafb; }
.tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }

.pager { display: flex; gap: 8px; margin-top: 12px; }

/* --- Аккаунты --- */
.account-card details { margin-top: 10px; }
.account-card summary { cursor: pointer; color: var(--muted); font-size: 13px; }
.account-head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.account-head h2 { margin-bottom: 4px; }
.account-actions { display: flex; flex-direction: column; gap: 10px; padding-top: 10px; }

/* --- API-ключи --- */
.token-card { background: var(--warn-bg); border-color: #fcd34d; }
.token-value {
    display: block; padding: 10px 12px; font-size: 14px; cursor: pointer;
    background: #fff; user-select: all;
}
.token-value.copied { outline: 2px solid var(--success-text); }

/* --- Подключение аккаунта --- */
.connect-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 16px; align-items: start;
}
.field { display: block; margin-bottom: 12px; font-size: 13px; color: var(--muted); }
.field input, .field select { margin-top: 4px; }
.field input[type=text], .field input[type=password] { width: 100%; }
.field input[type=number] { width: 140px; display: block; }
.field .muted { display: block; margin-top: 2px; font-size: 12px; }
.checkbox-field input { width: auto; margin-right: 6px; }
.spinner {
    display: inline-block; width: 12px; height: 12px; vertical-align: -1px;
    border: 2px solid var(--border); border-top-color: var(--primary);
    border-radius: 50%; animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Страница входа --- */
.auth-page {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; background: var(--bg);
}
.auth-card {
    background: var(--card); border: 1px solid var(--border); border-radius: 12px;
    padding: 32px; width: 360px; max-width: calc(100vw - 32px);
}
.auth-card h1 { margin: 0 0 4px; font-size: 20px; }
.auth-card .muted { margin-top: 0; }
.auth-card label { display: block; margin-bottom: 12px; font-size: 13px; color: var(--muted); }
.auth-card input { width: 100%; margin-top: 4px; }
.auth-card .btn { margin-top: 6px; }