/* =========================================================
   assets/css/style.css — FactuPro
   Paleta: tinta petróleo + verde fiscal
   --ink:    #10282E  (sidebar / titulares)
   --accent: #0FA47A  (acciones, positivo)
   --paper:  #F5F8F7  (fondo)
   --line:   #E2E9E7  (bordes)
   --danger: #D14343
   ========================================================= */

:root {
    --ink: #10282E;
    --ink-soft: #41565C;
    --accent: #0FA47A;
    --accent-dark: #0B7E5E;
    --accent-soft: #E2F5EE;
    --paper: #F5F8F7;
    --card: #FFFFFF;
    --line: #E2E9E7;
    --danger: #D14343;
    --danger-soft: #FBEAEA;
    --warning: #B07B1A;
    --warning-soft: #FBF3E0;
    --radius: 10px;
    --shadow: 0 1px 2px rgba(16, 40, 46, .06), 0 4px 16px rgba(16, 40, 46, .05);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--paper);
    color: var(--ink);
    font-size: 15px;
}

/* ---------- Layout ---------- */
.layout { display: flex; min-height: 100vh; }

.main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.content { padding: 28px 32px 60px; }

/* ---------- Topbar ---------- */
.topbar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 32px;
    background: var(--card);
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 20;
}

.topbar-title { font-size: 18px; font-weight: 700; margin: 0; flex: 1; }
.topbar-user { display: flex; align-items: center; gap: 12px; }
.topbar-empresa { font-size: 13px; color: var(--ink-soft); font-weight: 500; }
.topbar-burger {
    display: none;
    background: none;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-size: 18px;
    padding: 4px 10px;
    cursor: pointer;
    color: var(--ink);
}

/* ---------- Tarjetas ---------- */
.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 22px 24px;
    margin-bottom: 22px;
}

.card-title {
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 16px;
}

/* KPIs del panel */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--shadow);
}

.kpi-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--ink-soft);
    margin-bottom: 6px;
}

.kpi-value {
    font-size: 26px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.kpi-value.positivo { color: var(--accent-dark); }
.kpi-value.negativo { color: var(--danger); }

/* ---------- Tablas ---------- */
.table-wrap { overflow-x: auto; }

table.tabla {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.tabla th {
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--ink-soft);
    padding: 10px 12px;
    border-bottom: 2px solid var(--line);
    white-space: nowrap;
}

.tabla td {
    padding: 12px;
    border-bottom: 1px solid var(--line);
    vertical-align: middle;
}

.tabla tr:hover td { background: #FAFCFB; }

.tabla .num {
    text-align: right;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.tabla-vacia {
    padding: 36px;
    text-align: center;
    color: var(--ink-soft);
}

/* ---------- Botones ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background .15s, border-color .15s;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }

.btn-secondary {
    background: var(--card);
    color: var(--ink);
    border-color: var(--line);
}
.btn-secondary:hover { border-color: var(--ink-soft); }

.btn-danger { background: var(--danger-soft); color: var(--danger); }
.btn-danger:hover { background: #F5D9D9; }

.btn-ghost { background: transparent; color: var(--ink-soft); }
.btn-ghost:hover { color: var(--ink); }

.btn-sm { padding: 5px 10px; font-size: 13px; }

/* ---------- Formularios ---------- */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px 18px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }

label {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink-soft);
}

input[type=text], input[type=email], input[type=password],
input[type=number], input[type=date], select, textarea {
    font-family: inherit;
    font-size: 14px;
    padding: 9px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    color: var(--ink);
    width: 100%;
}

input:focus, select:focus, textarea:focus {
    outline: 2px solid var(--accent);
    outline-offset: 0;
    border-color: var(--accent);
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 18px;
}

/* Interruptor (toggle) */
.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
    position: absolute; inset: 0;
    background: #C9D6D3;
    border-radius: 24px;
    transition: .2s;
    cursor: pointer;
}
.switch .slider::before {
    content: '';
    position: absolute;
    width: 18px; height: 18px;
    left: 3px; top: 3px;
    background: #fff;
    border-radius: 50%;
    transition: .2s;
}
.switch input:checked + .slider { background: var(--accent); }
.switch input:checked + .slider::before { transform: translateX(20px); }
.switch input:focus-visible + .slider { outline: 2px solid var(--accent-dark); }

/* ---------- Badges de estado ---------- */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}
.badge-borrador  { background: #EEF1F0; color: var(--ink-soft); }
.badge-emitida   { background: #E4EEFB; color: #2563A8; }
.badge-pagada    { background: var(--accent-soft); color: var(--accent-dark); }
.badge-vencida   { background: var(--danger-soft); color: var(--danger); }
.badge-verifactu { background: var(--accent-soft); color: var(--accent-dark); }
.badge-pendiente { background: var(--warning-soft); color: var(--warning); }

/* ---------- Alertas ---------- */
.alert {
    margin: 18px 32px 0;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
}
.alert-success { background: var(--accent-soft); color: var(--accent-dark); }
.alert-error   { background: var(--danger-soft); color: var(--danger); }
.alert-info    { background: #E4EEFB; color: #2563A8; }

/* ---------- Cabecera de página con acción ---------- */
.page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.page-head h2 { margin: 0; font-size: 17px; }

/* ---------- Líneas de factura ---------- */
.lineas-table input { min-width: 70px; }
.lineas-table .col-concepto { width: 38%; }
.linea-borrar {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 16px;
}

.totales-box {
    margin-left: auto;
    max-width: 320px;
    margin-top: 16px;
}
.totales-box .fila {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 14px;
    font-variant-numeric: tabular-nums;
}
.totales-box .fila.total {
    border-top: 2px solid var(--ink);
    font-weight: 800;
    font-size: 17px;
    margin-top: 6px;
    padding-top: 10px;
}

/* ---------- Login / Registro ---------- */
.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ink);
    background-image: radial-gradient(circle at 20% 20%, rgba(15,164,122,.18), transparent 50%);
    padding: 24px;
}
.auth-card {
    background: var(--card);
    border-radius: 14px;
    padding: 36px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.auth-logo {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 4px;
}
.auth-logo span { color: var(--accent); }
.auth-sub { color: var(--ink-soft); font-size: 14px; margin-bottom: 24px; }
.auth-card .form-group { margin-bottom: 14px; }
.auth-foot { margin-top: 18px; font-size: 14px; color: var(--ink-soft); }
.auth-foot a { color: var(--accent-dark); font-weight: 600; }

/* ---------- Calendario fiscal ---------- */
.fiscal-item {
    display: flex;
    gap: 18px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    align-items: flex-start;
}
.fiscal-item:last-child { border-bottom: none; }
.fiscal-fecha {
    min-width: 86px;
    text-align: center;
    background: var(--accent-soft);
    color: var(--accent-dark);
    border-radius: 8px;
    padding: 8px 6px;
    font-weight: 700;
    font-size: 13px;
}
.fiscal-fecha.pasado { background: #EEF1F0; color: var(--ink-soft); }
.fiscal-fecha .dia { display: block; font-size: 20px; }
.fiscal-modelo {
    display: inline-block;
    background: var(--ink);
    color: #fff;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    padding: 2px 8px;
    margin-right: 8px;
}
.fiscal-body strong { font-size: 14px; }
.fiscal-body p { margin: 4px 0 0; font-size: 13px; color: var(--ink-soft); }

/* ---------- Vista de factura (imprimible) ---------- */
.factura-doc {
    background: #fff;
    max-width: 820px;
    margin: 0 auto;
    padding: 48px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}
.factura-doc-head {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 36px;
}
.factura-doc h2 { margin: 0 0 4px; font-size: 24px; }
.factura-num { font-variant-numeric: tabular-nums; color: var(--ink-soft); }
.factura-partes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 30px;
    font-size: 14px;
}
.factura-partes h4 {
    margin: 0 0 6px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--ink-soft);
}
.factura-qr { text-align: right; }
.factura-qr img { width: 110px; height: 110px; }
.factura-qr small { display: block; color: var(--ink-soft); font-size: 11px; margin-top: 4px; }

@media print {
    .sidebar, .topbar, .no-print, .alert { display: none !important; }
    .content { padding: 0; }
    .factura-doc { border: none; }
    body { background: #fff; }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
    .content { padding: 18px 16px 50px; }
    .topbar { padding: 12px 16px; }
    .topbar-burger { display: block; }
    .topbar-empresa { display: none; }
    .factura-doc { padding: 24px; }
    .factura-partes { grid-template-columns: 1fr; }
}