/* ================================================================
   BJC — Design System (basado en MOMDEL-NET / JOFER)
   Fondo oscuro, cards con borde sutil, tipografía Inter, acento azul.
   ================================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg:             #0f0f0f;
    --bg-surface:     #161616;
    --bg-card:        #1a1a1a;
    --bg-input:       #1e1e1e;
    --bg-hover:       #242424;

    --border:         #2a2a2a;
    --border-subtle:  #222222;

    --text:           #e5e5e5;
    --text-2:         #999999;
    --text-3:         #666666;

    --accent:         #3b82f6;
    --accent-dim:     rgba(59,130,246,.12);

    --success:        #10b981;
    --success-dim:    rgba(16,185,129,.12);
    --warning:        #f59e0b;
    --warning-dim:    rgba(245,158,11,.12);
    --danger:         #ef4444;
    --danger-dim:     rgba(239,68,68,.10);

    --radius-sm:      8px;
    --radius-md:      12px;
    --trans:          .15s ease;

    --font:           'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
                      Helvetica, Arial, sans-serif;
}

[data-theme="light"] {
    --bg:             #f5f5f5;
    --bg-surface:     #eeeeee;
    --bg-card:        #ffffff;
    --bg-input:       #f9f9f9;
    --bg-hover:       #e8e8e8;

    --border:         #d4d4d4;
    --border-subtle:  #e0e0e0;

    --text:           #1a1a1a;
    --text-2:         #555555;
    --text-3:         #888888;

    --accent:         #2563eb;
    --accent-dim:     rgba(37,99,235,.10);

    --success:        #059669;
    --success-dim:    rgba(5,150,105,.10);
    --warning:        #d97706;
    --warning-dim:    rgba(217,119,6,.10);
    --danger:         #dc2626;
    --danger-dim:     rgba(220,38,38,.08);
}

html { font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: #60a5fa; }

/* ── Navbar ───────────────────────────────────────────────────── */
.navbar {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 0 1.25rem;
    height: 48px;
    background: #111111;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar-brand {
    display: flex; align-items: center; gap: .5rem;
    font-weight: 700; font-size: .875rem; color: var(--text);
    letter-spacing: .02em; white-space: nowrap;
}
.navbar-brand:hover { color: #fff; }
.navbar-logo {
    width: 28px; height: 28px; background: var(--accent); border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    font-size: .625rem; font-weight: 800; color: #fff; letter-spacing: .03em;
}
.navbar-sep { width: 1px; height: 20px; background: var(--border); flex-shrink: 0; }
.navbar-title { font-size: .8125rem; font-weight: 500; color: var(--text-2); white-space: nowrap; }
.navbar-actions { margin-left: auto; display: flex; align-items: center; gap: .375rem; flex-wrap: wrap; }
.navbar-actions .btn.is-active {
    background: var(--accent-dim); color: var(--accent); border-color: var(--accent); font-weight: 600;
}
@media (max-width:720px) {
    .navbar-title { display: none; }
    .navbar-sep   { display: none; }
    .navbar-actions .btn { padding: .375rem .5rem; font-size: .8125rem; }
}

/* ── Container ────────────────────────────────────────────────── */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 1.5rem 2rem; }
@media (max-width:600px) { .container { padding: 1rem .75rem; } }
main { min-height: calc(100vh - 48px); }

h1.page-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 1.25rem; }

/* ── Buttons ──────────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .375rem;
    padding: .5rem 1rem; border: 1px solid transparent; border-radius: var(--radius-sm);
    font-family: var(--font); font-size: .8125rem; font-weight: 600; cursor: pointer;
    transition: all var(--trans); white-space: nowrap; line-height: 1.4;
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: #2563eb; border-color: #2563eb; color: #fff; }
.btn-ghost { background: transparent; color: var(--text-2); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text); border-color: #444; }
.btn-danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger-dim); }
.btn-sm { padding: .3125rem .75rem; font-size: .75rem; }
.btn:disabled, .btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ── Section cards ────────────────────────────────────────────── */
.section-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; margin-bottom: 1.25rem; }
.section-header { display: flex; align-items: center; justify-content: space-between; padding: .75rem 1.125rem; border-bottom: 1px solid var(--border); background: var(--bg-surface); }
.section-header-title { font-size: .6875rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--text-2); }
.section-body { padding: 1rem 1.125rem; }

/* ── Forms ────────────────────────────────────────────────────── */
.form-input, .form-select, textarea.form-input {
    width: 100%; padding: .625rem .875rem; background: var(--bg-input);
    border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text);
    font-family: var(--font); font-size: .875rem; transition: border-color var(--trans); outline: none;
}
.form-input:focus, .form-select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.form-input::placeholder { color: var(--text-3); }
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23999' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right .75rem center; padding-right: 2rem;
}
.form-group { margin-bottom: 1.125rem; }
.form-label { display: block; font-size: .6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--text-2); margin-bottom: .375rem; }
textarea.form-input { resize: vertical; min-height: 2.75rem; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; align-items: end; }

/* ── Badges ───────────────────────────────────────────────────── */
.badge { display: inline-flex; align-items: center; padding: .1875rem .625rem; border-radius: 9999px; font-size: .6875rem; font-weight: 600; letter-spacing: .02em; white-space: nowrap; line-height: 1.4; }
.badge-baja      { background: var(--success-dim); color: var(--success); }
.badge-media     { background: var(--warning-dim); color: var(--warning); }
.badge-alta      { background: var(--danger-dim);  color: var(--danger); }
.badge-abierta   { background: var(--danger-dim);  color: var(--danger); }
.badge-analisis  { background: rgba(59,130,246,.12); color: var(--accent); }
.badge-cerrada   { background: var(--success-dim); color: var(--success); }
.badge-descartada{ background: rgba(102,102,102,.15); color: var(--text-3); }
.badge-ok        { background: var(--success-dim); color: var(--success); }
.badge-off       { background: rgba(102,102,102,.15); color: var(--text-3); }

/* ── Tables ───────────────────────────────────────────────────── */
.tabla { width: 100%; border-collapse: collapse; font-size: .875rem; }
.tabla thead th {
    text-align: left; padding: .625rem .875rem; border-bottom: 1px solid var(--border);
    font-size: .6875rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-2);
    background: var(--bg-surface); white-space: nowrap;
}
.tabla tbody td { padding: .625rem .875rem; border-bottom: 1px solid var(--border-subtle); vertical-align: middle; }
.tabla tbody tr:hover { background: var(--bg-hover); }
.tabla tr.inactive { opacity: .5; }
.tabla code { font-size: .8125rem; color: var(--text-2); }
.tabla-wrap { overflow-x: auto; }
.row-actions { display: flex; gap: .375rem; flex-wrap: wrap; }

/* ── KPI cards ────────────────────────────────────────────────── */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.kpi { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 1.125rem; }
.kpi-label { font-size: .6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--text-2); margin-bottom: .5rem; }
.kpi-value { font-size: 2rem; font-weight: 700; line-height: 1; }
.kpi-value.danger { color: var(--danger); }
.kpi-value.warning { color: var(--warning); }
.kpi-value.success { color: var(--success); }

/* ── Progress bar (tareas) ────────────────────────────────────── */
.progress { height: 8px; background: var(--bg-input); border-radius: 9999px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--accent); transition: width var(--trans); }

/* ── Flash messages ───────────────────────────────────────────── */
.flash { padding: .75rem 1rem; border-radius: var(--radius-sm); font-size: .875rem; margin-bottom: 1rem; }
.flash-ok  { background: var(--success-dim); border: 1px solid rgba(16,185,129,.25); color: var(--success); }
.flash-err { background: var(--danger-dim);  border: 1px solid rgba(239,68,68,.25);  color: var(--danger); }

/* ── Misc ─────────────────────────────────────────────────────── */
.muted { color: var(--text-2); }
.text-empty { text-align: center; color: var(--text-3); padding: 1.5rem; }
.task-item { display: flex; align-items: center; gap: .625rem; padding: .5rem 0; border-bottom: 1px solid var(--border-subtle); }
.task-item.done .task-title { text-decoration: line-through; color: var(--text-3); }
.task-title { flex: 1; }

/* ── Theme toggle ─────────────────────────────────────────────── */
.theme-toggle {
    background: transparent; border: 1px solid var(--border); border-radius: var(--radius-sm);
    width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
    cursor: pointer; color: var(--text-2); font-size: 1rem; line-height: 1;
    transition: all var(--trans); padding: 0; flex-shrink: 0;
}
.theme-toggle:hover { background: var(--bg-hover); color: var(--text); border-color: #444; }
[data-theme="light"] .theme-toggle:hover { border-color: #aaa; }
[data-theme="light"] .navbar { background: #e8e8e8; border-bottom-color: var(--border); }

/* ── Scrollbar & selection ────────────────────────────────────── */
::selection { background: var(--accent); color: #fff; }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #333; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #555; }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: #ccc; }

@media (max-width: 640px) {
    .navbar { padding: 0 .875rem; gap: .5rem; }
    .navbar-title { display: none; }
    .container { padding: 1rem .875rem; }
}