:root {
    --pt-dark:    #0d1b2a;
    --pt-darker:  #0a1520;
    --pt-orange:  #f97316;
    --pt-orange2: #ea6c0a;
    --pt-text:    #e2e8f0;
    --pt-muted:   #94a3b8;
    --pt-border:  #1e3048;
    --pt-card:    #112236;
    --sidebar-w:  240px;
}

/* ── Layout ── */
body { background: #f0f4f8; font-family: 'Segoe UI', sans-serif; }

#wrapper { min-height: 100vh; }

#sidebar {
    width: var(--sidebar-w);
    min-height: 100vh;
    background: var(--pt-dark);
    color: var(--pt-text);
    flex-shrink: 0;
    position: fixed;
    top: 0; left: 0;
    z-index: 100;
    overflow-y: auto;
}

#content {
    margin-left: var(--sidebar-w);
    flex: 1;
    padding: 1.5rem;
    min-height: 100vh;
}

/* ── Sidebar brand ── */
.sidebar-brand {
    background: var(--pt-darker);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--pt-orange);
    border-bottom: 1px solid var(--pt-border);
    min-height: 60px;
}

/* ── Nav links ── */
#sidebar .nav-link {
    color: var(--pt-muted);
    border-radius: 8px;
    padding: .5rem .75rem;
    font-size: .875rem;
    transition: background .15s, color .15s;
}
#sidebar .nav-link:hover,
#sidebar .nav-link.active {
    background: var(--pt-border);
    color: #fff;
}
#sidebar .nav-link.active { color: var(--pt-orange); font-weight: 600; }

.nav-section {
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .1em;
    color: var(--pt-muted);
    padding: .75rem .75rem .25rem;
    text-transform: uppercase;
}

/* ── Sidebar footer ── */
.sidebar-footer { border-top: 1px solid var(--pt-border); }
.avatar-circle {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--pt-orange);
    color: #fff;
    font-size: .8rem;
    font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}

/* ── Topbar ── */
.topbar {
    background: #fff;
    border-bottom: 1px solid #e2e8f0;
    padding: .75rem 1.5rem;
    margin: -1.5rem -1.5rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.topbar h1 { font-size: 1.25rem; font-weight: 700; margin: 0; color: #1e293b; }

/* ── KPI Cards ── */
.kpi-card {
    background: #fff;
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
    border-left: 4px solid transparent;
    transition: transform .15s;
}
.kpi-card:hover { transform: translateY(-2px); }
.kpi-card.orange  { border-left-color: var(--pt-orange); }
.kpi-card.blue    { border-left-color: #3b82f6; }
.kpi-card.green   { border-left-color: #22c55e; }
.kpi-card.purple  { border-left-color: #a855f7; }

.kpi-icon {
    width: 48px; height: 48px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
}
.kpi-icon.orange  { background: #fff7ed; color: var(--pt-orange); }
.kpi-icon.blue    { background: #eff6ff; color: #3b82f6; }
.kpi-icon.green   { background: #f0fdf4; color: #22c55e; }
.kpi-icon.purple  { background: #faf5ff; color: #a855f7; }

.kpi-value { font-size: 1.6rem; font-weight: 700; color: #1e293b; line-height: 1.2; }
.kpi-label { font-size: .8rem; color: #64748b; margin-top: .15rem; }

/* ── Chart cards ── */
.chart-card {
    background: #fff;
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
}
.chart-card .card-title { font-size: .95rem; font-weight: 600; color: #1e293b; }

/* ── Tables ── */
.table-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
    overflow: hidden;
}
.table-card .table-title {
    font-size: .9rem;
    font-weight: 600;
    color: #1e293b;
    padding: 1rem 1.25rem .75rem;
    border-bottom: 1px solid #f1f5f9;
}
.table-card table { margin: 0; }
.table-card thead th { background: #f8fafc; font-size: .75rem; font-weight: 600; color: #64748b; text-transform: uppercase; letter-spacing: .05em; border: none; padding: .6rem 1rem; }
.table-card tbody td { font-size: .85rem; padding: .65rem 1rem; vertical-align: middle; border-color: #f1f5f9; }

/* ── Badges de estado ── */
.badge-estado { padding: .3em .65em; border-radius: 6px; font-size: .75rem; font-weight: 600; }
.estado-recibido      { background: #dbeafe; color: #1d4ed8; }
.estado-diagnostico   { background: #fef3c7; color: #92400e; }
.estado-en_reparacion { background: #fed7aa; color: #c2410c; }
.estado-listo         { background: #dcfce7; color: #15803d; }
.estado-entregado     { background: #e0f2fe; color: #0369a1; }
.estado-cancelado     { background: #fee2e2; color: #b91c1c; }

/* ── Login page ── */
.login-wrapper {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--pt-darker) 0%, #1a3a5c 100%);
    display: flex; align-items: center; justify-content: center;
}
.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.login-logo { color: var(--pt-orange); font-size: 2.5rem; }
.btn-login { background: var(--pt-orange); border: none; font-weight: 600; padding: .65rem; }
.btn-login:hover { background: var(--pt-orange2); }

/* ── Spinner loader ── */
.spinner-overlay {
    position: fixed; inset: 0;
    background: rgba(255,255,255,.6);
    display: flex; align-items: center; justify-content: center;
    z-index: 9999;
}