:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --bg: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #243042;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --border: #334155;
    --success: #16a34a;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #38bdf8;
}

* { box-sizing: border-box }

html, body { margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

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

/* Top bar */
.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(15, 23, 42, 0.96);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
}
.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 16px;
    max-width: 1400px;
    margin: 0 auto;
    flex-wrap: wrap;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
    font-weight: 700;
    font-size: 18px;
    text-decoration: none;
}
.brand .logo { font-size: 22px }
.topbar-nav {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}
.topbar-nav a {
    padding: 6px 12px;
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 14px;
    text-decoration: none;
    transition: background .15s, color .15s;
}
.topbar-nav a:hover { background: rgba(56, 189, 248, 0.08); color: var(--text); text-decoration: none; }
.topbar-nav a.active { background: rgba(37, 99, 235, 0.18); color: #fff; }
.topbar-user { display: inline-flex; align-items: center; gap: 8px; }
.user-name { color: var(--text-muted); font-size: 13px; }
.btn-link {
    color: var(--text-muted);
    font-size: 13px;
    text-decoration: none;
}
.btn-link:hover { color: var(--text); }

/* Sync bar */
.sync-bar {
    border-top: 1px solid var(--border);
    background: rgba(30, 41, 59, 0.4);
}
.sync-bar-inner {
    display: flex;
    gap: 12px;
    padding: 6px 16px;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    flex-wrap: wrap;
}
.sync-source {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
}
.dot {
    display: inline-block;
    width: 9px; height: 9px;
    border-radius: 50%;
    background: var(--text-muted);
}
.dot-green { background: var(--success); box-shadow: 0 0 6px var(--success); }
.dot-yellow { background: var(--warning); box-shadow: 0 0 6px var(--warning); }
.dot-red { background: var(--error); box-shadow: 0 0 6px var(--error); }
.dot-gray { background: var(--text-muted); }

.btn-icon {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 14px;
    cursor: pointer;
    margin-left: auto;
}
.btn-icon:hover { color: var(--text); }

/* Layout */
.main {
    max-width: 1400px;
    margin: 24px auto;
    padding: 0 16px 80px;
}
.page > * + * { margin-top: 16px; }

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.card-title {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr; }
@media (min-width: 900px) {
    .grid-2 { grid-template-columns: 1fr 1fr; }
}

/* Metrics */
.metrics-grid {
    display: grid;
    gap: 8px;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}
.metric-card {
    display: flex;
    flex-direction: column;
    padding: 12px;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border);
    border-radius: 8px;
}
.metric-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}
.metric-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin-top: 4px;
}
.metric-trail {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Forms genéricos */
.installer-form input,
.installer-form select,
.installer-form textarea {
    width: 100%;
    padding: 8px 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 14px;
}
.installer-form label { display: block; margin-bottom: 12px; }
.installer-form label > span { display: block; margin-bottom: 4px; font-size: 13px; color: var(--text-muted); font-weight: 600; }
.installer-form fieldset { border: 1px solid var(--border); border-radius: 8px; margin-bottom: 12px; padding: 12px 14px; }
.installer-form fieldset legend { padding: 0 6px; font-weight: 600; }
.form-actions { display: flex; gap: 8px; justify-content: flex-end; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 6px;
    background: var(--primary);
    color: #fff;
    border: none;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn-secondary { background: var(--border); color: var(--text); }
.btn-secondary:hover { background: var(--bg-card-hover); }
.btn-large { padding: 12px 22px; font-size: 16px; }

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
}
.table th, .table td {
    text-align: left;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}
.table th { color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; font-size: 11px; }

/* Alerts */
.alert {
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 12px;
    font-size: 14px;
}
.alert-error   { background: rgba(239, 68, 68, 0.12); color: #fda4af; border: 1px solid rgba(239, 68, 68, 0.4); }
.alert-success { background: rgba(22, 163, 74, 0.15); color: #86efac; border: 1px solid rgba(22, 163, 74, 0.4); }
.alert-warning { background: rgba(245, 158, 11, 0.15); color: #fcd34d; border: 1px solid rgba(245, 158, 11, 0.4); }
.alert-info    { background: rgba(56, 189, 248, 0.15); color: #7dd3fc; border: 1px solid rgba(56, 189, 248, 0.4); }

/* Decisions list */
.decisions-list .decision-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 8px;
    background: rgba(15, 23, 42, 0.4);
}
.decision-item .icon { font-size: 22px; }
.decision-item .body { flex: 1; }
.decision-item .meta {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 4px;
}
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.badge-alert      { background: rgba(239,68,68,.15); color: #fda4af; }
.badge-warning    { background: rgba(245,158,11,.15); color: #fcd34d; }
.badge-suggestion { background: rgba(56,189,248,.15); color: #7dd3fc; }
.badge-info       { background: rgba(148,163,184,.15); color: #cbd5e1; }

/* Context toggles */
.context-form {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}
.check {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
}
.check input { margin: 0; }
.phase-info { color: var(--text-muted); font-size: 13px; margin-left: auto; }

/* Empty / hint */
.empty, .hint { color: var(--text-muted); font-size: 13px; }
.empty { padding: 12px 0; }

/* PR list */
.pr-list { list-style: none; padding: 0; margin: 0; }
.pr-list li { padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 13px; }
.pr-list li:last-child { border-bottom: none; }

/* Filters */
.filters { display: inline-flex; gap: 8px; }
.filters select {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    padding: 6px 10px;
    font-size: 13px;
}

.footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
    padding: 16px;
    border-top: 1px solid var(--border);
}

/* Mobile tweaks */
@media (max-width: 600px) {
    .topbar-inner { gap: 6px; }
    .topbar-nav { width: 100%; overflow-x: auto; flex-wrap: nowrap; }
    .topbar-nav a { white-space: nowrap; font-size: 13px; padding: 6px 10px; }
    .metric-value { font-size: 18px; }
    .card-title { font-size: 14px; }
}