/* ============================================================
   Stock Planeta Apple — estilos
   Paleta: fondo espacial profundo, acento "planeta" celeste,
   y verdes/rojos de manzana para los estados de stock.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
    --bg: #0b0f16;
    --bg-elevated: #121826;
    --surface: #171f30;
    --surface-hover: #1d2740;
    --border: #262f45;
    --text: #e7ecf7;
    --text-muted: #8b93a8;

    --planeta: #4fd1c5;      /* celeste-verdoso, el "planeta" */
    --planeta-dim: #2a4a48;
    --manzana-verde: #7bd389;
    --manzana-roja: #e8615f;
    --sol: #f2b84b;

    --ok-bg: rgba(123, 211, 137, .14);
    --ok-fg: #7bd389;
    --warn-bg: rgba(242, 184, 75, .16);
    --warn-fg: #f2b84b;
    --info-bg: rgba(79, 209, 197, .14);
    --info-fg: #4fd1c5;
    --muted-bg: rgba(139, 147, 168, .14);
    --muted-fg: #8b93a8;
    --danger-bg: rgba(232, 97, 95, .15);
    --danger-fg: #e8615f;

    --radius: 10px;
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* { box-sizing: border-box; }

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

h1, h2, h3, .brand { font-family: var(--font-display); }

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

/* ---------- Layout general ---------- */

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

.sidebar {
    width: 230px;
    flex-shrink: 0;
    background: var(--bg-elevated);
    border-right: 1px solid var(--border);
    padding: 20px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 8px 20px;
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
}

.brand img { width: 28px; height: 28px; }

.nav-section-label {
    font-size: 11px;
    color: var(--text-muted);
    padding: 14px 10px 4px;
    letter-spacing: .02em;
}

.nav-link {
    padding: 9px 10px;
    border-radius: 8px;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 9px;
}

.nav-link:hover { background: var(--surface-hover); color: var(--text); }
.nav-link.active { background: var(--planeta-dim); color: var(--planeta); }

.sidebar-footer {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-muted);
}

.sidebar-footer strong { color: var(--text); display: block; font-size: 13.5px; }

.main {
    flex: 1;
    padding: 28px 34px 60px;
    max-width: 1240px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
}

.page-header h1 { font-size: 22px; margin: 0 0 4px; }
.page-header p { margin: 0; color: var(--text-muted); font-size: 14px; }

/* ---------- Componentes ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--planeta);
    color: #072422;
    border: none;
    padding: 9px 16px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    font-family: var(--font-body);
}

.btn:hover { filter: brightness(1.08); }
.btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.btn-danger { background: var(--manzana-roja); color: #2a0d0c; }
.btn-sm { padding: 5px 11px; font-size: 12.5px; }
.btn-block { width: 100%; justify-content: center; }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 26px;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 18px;
}

.stat-card .n { font-family: var(--font-display); font-size: 26px; font-weight: 700; }
.stat-card .l { color: var(--text-muted); font-size: 13px; margin-top: 2px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
    text-align: left;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 12.5px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}
tbody td { padding: 12px; border-bottom: 1px solid var(--border); }
tbody tr:hover { background: var(--surface-hover); }
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.table-wrap table { margin: 0; }
.table-wrap thead th:first-child, tbody td:first-child { padding-left: 18px; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.badge-ok { background: var(--ok-bg); color: var(--ok-fg); }
.badge-warn { background: var(--warn-bg); color: var(--warn-fg); }
.badge-info { background: var(--info-bg); color: var(--info-fg); }
.badge-muted { background: var(--muted-bg); color: var(--muted-fg); }

.toolbar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; align-items: center; }

input, select, textarea {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 14px;
    font-family: var(--font-body);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--planeta); outline-offset: 0; }
label { font-size: 13px; color: var(--text-muted); display: block; margin-bottom: 5px; }
.field { margin-bottom: 14px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

.form-card { max-width: 640px; }

.alert {
    padding: 11px 15px;
    border-radius: 8px;
    font-size: 13.5px;
    margin-bottom: 16px;
}
.alert-error { background: var(--danger-bg); color: var(--danger-fg); }
.alert-ok { background: var(--ok-bg); color: var(--ok-fg); }

.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
}

.detail-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
}
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 8px 12px; font-size: 14px; padding: 4px 0; }
.kv dt { color: var(--text-muted); }
.kv dd { margin: 0; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab { padding: 9px 16px; font-size: 14px; color: var(--text-muted); border-bottom: 2px solid transparent; font-weight: 500; }
.tab.active { color: var(--planeta); border-bottom-color: var(--planeta); }

.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 30% 20%, #16233a 0%, var(--bg) 60%);
}
.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 36px 34px;
    width: 340px;
}
.login-card .brand { justify-content: center; padding-bottom: 24px; font-size: 19px; }

.text-muted { color: var(--text-muted); }
.mt-0 { margin-top: 0; }

@media (max-width: 860px) {
    .app-shell { flex-direction: column; }
    .sidebar { width: 100%; flex-direction: row; overflow-x: auto; }
    .sidebar-footer { display: none; }
    .main { padding: 18px; }
    .field-row, .field-row-3, .detail-grid { grid-template-columns: 1fr; }
}