/* =====================================================
   OPTITECH EUROPA - INTRANET
   Estilos visuales (marca Optitech)
   ===================================================== */

:root {
    --brand-primary: #12DF9E;
    --brand-primary-dark: #0EA873;
    --brand-dark: #1A1A2E;
    --brand-dark-2: #232339;
    --brand-dark-3: #2D2D45;

    --bg: #F5F6FA;
    --bg-card: #FFFFFF;
    --text: #1A1A2E;
    --text-muted: #6B6E80;
    --border: #E3E5EC;
    --border-soft: #EEEFF4;

    --success: #1B5E20;
    --warning: #B25E00;
    --danger: #B71C1C;
    --info: #0D47A1;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow: 0 2px 10px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.1);

    --radius: 8px;
    --radius-sm: 4px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    line-height: 1.5;
}

a { color: var(--brand-primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { color: var(--brand-dark); margin-top: 0; }
h1 { font-size: 26px; }
h2 { font-size: 20px; }
h3 { font-size: 16px; }

/* =====================================================
   LOGIN
   ===================================================== */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-dark-2) 50%, var(--brand-dark-3) 100%);
    padding: 20px;
    position: relative;
    overflow: hidden;
}
.login-wrapper::before {
    content: '';
    position: absolute;
    top: -150px; right: -150px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(18,223,158,0.18), transparent 70%);
    border-radius: 50%;
}
.login-wrapper::after {
    content: '';
    position: absolute;
    bottom: -200px; left: -100px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(18,223,158,0.08), transparent 70%);
    border-radius: 50%;
}
.login-box {
    background: #fff;
    padding: 42px 38px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
    border-top: 4px solid var(--brand-primary);
}
.login-logo {
    text-align: center;
    margin-bottom: 28px;
}
.login-logo .mark {
    display: inline-block;
    width: 56px; height: 56px;
    background: var(--brand-dark);
    border-radius: 12px;
    position: relative;
    margin-bottom: 12px;
}
.login-logo .mark::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 28px; height: 28px;
    border: 3px solid var(--brand-primary);
    border-radius: 50%;
    border-top-color: transparent;
    border-right-color: transparent;
}
.login-logo h1 { margin: 0 0 4px; font-size: 22px; }
.login-logo p { margin: 0; color: var(--text-muted); font-size: 13px; }

/* =====================================================
   LAYOUT PRINCIPAL
   ===================================================== */
.app {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: var(--brand-dark);
    color: #fff;
    display: flex;
    flex-direction: column;
}
.sidebar-header {
    padding: 20px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-header .mark {
    width: 34px; height: 34px;
    background: var(--brand-dark-2);
    border: 2px solid var(--brand-primary);
    border-right-color: transparent;
    border-top-color: transparent;
    border-radius: 50%;
    flex-shrink: 0;
}
.sidebar-header .brand-name {
    font-weight: bold;
    font-size: 14px;
    letter-spacing: 0.5px;
}
.sidebar-header .brand-sub {
    font-size: 11px;
    color: rgba(255,255,255,0.55);
}
.sidebar-nav {
    flex: 1;
    padding: 16px 10px;
    overflow-y: auto;
}
.sidebar-nav .menu-label {
    font-size: 10px;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.35);
    text-transform: uppercase;
    padding: 16px 12px 8px;
}
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    color: rgba(255,255,255,0.75);
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 2px;
    transition: background 0.15s, color 0.15s;
}
.sidebar-nav a:hover {
    background: rgba(255,255,255,0.05);
    color: #fff;
    text-decoration: none;
}
.sidebar-nav a.active {
    background: var(--brand-primary);
    color: var(--brand-dark);
    font-weight: bold;
}
.sidebar-nav .icon { font-size: 16px; }

.sidebar-footer {
    padding: 14px 18px;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 12px;
}
.sidebar-footer .user-name { color: #fff; font-weight: bold; }
.sidebar-footer .user-email { color: rgba(255,255,255,0.55); font-size: 11px; }
.sidebar-footer a { color: var(--brand-primary); font-size: 12px; }

.main {
    display: flex;
    flex-direction: column;
    min-width: 0; /* para que no haga overflow el contenido */
}

.topbar {
    background: #fff;
    padding: 14px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.topbar h1 { margin: 0; font-size: 20px; }
.topbar .topbar-actions { display: flex; gap: 8px; align-items: center; }

.content {
    padding: 24px;
    flex: 1;
}

/* =====================================================
   COMPONENTES
   ===================================================== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 22px;
    margin-bottom: 18px;
    border: 1px solid var(--border-soft);
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-soft);
}
.card-header h2, .card-header h3 { margin: 0; }

.accent-bar {
    display: inline-block;
    width: 36px; height: 3px;
    background: var(--brand-primary);
    margin-bottom: 8px;
    border-radius: 2px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    font-family: inherit;
    font-size: 13px;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.15s;
}
.btn-primary { background: var(--brand-primary); color: var(--brand-dark); }
.btn-primary:hover { background: var(--brand-primary-dark); color: #fff; text-decoration: none; }
.btn-dark { background: var(--brand-dark); color: #fff; }
.btn-dark:hover { background: var(--brand-dark-2); color: #fff; text-decoration: none; }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline:hover { background: var(--bg); text-decoration: none; }
.btn-danger { background: #fff; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; text-decoration: none; }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* Formularios */
.form-group { margin-bottom: 14px; }
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    font-size: 13px;
    color: var(--brand-dark);
}
.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: #fff;
    font-family: inherit;
    font-size: 13px;
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s;
}
.form-control:focus,
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(18,223,158,0.18);
}
textarea { min-height: 90px; resize: vertical; }
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
.form-grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 14px;
}
.form-row-full { grid-column: 1 / -1; }

/* Tablas */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border-soft);
}
table.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}
.data-table th {
    background: #FAFBFC;
    text-align: left;
    padding: 12px 14px;
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}
.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-soft);
    vertical-align: middle;
}
.data-table tbody tr:hover { background: #FAFBFC; }
.data-table tbody tr:last-child td { border-bottom: none; }

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: bold;
    letter-spacing: 0.3px;
}

/* Flash messages */
.flash {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
    font-size: 13px;
    border-left: 4px solid;
}
.flash-success { background: #E8F5E9; color: var(--success); border-color: var(--success); }
.flash-error   { background: #FFEBEE; color: var(--danger);  border-color: var(--danger); }
.flash-warning { background: #FFF4E5; color: var(--warning); border-color: var(--warning); }
.flash-info    { background: #E3F2FD; color: var(--info);    border-color: var(--info); }

/* Dashboard stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}
.stat-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    border: 1px solid var(--border-soft);
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: var(--brand-primary);
}
.stat-card .stat-label {
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}
.stat-card .stat-value {
    font-size: 28px;
    font-weight: bold;
    color: var(--brand-dark);
    line-height: 1;
}
.stat-card .stat-sub {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 6px;
}

/* Layout de 2 columnas */
.two-col {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 18px;
}
@media (max-width: 900px) {
    .two-col { grid-template-columns: 1fr; }
    .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
    .app { grid-template-columns: 1fr; }
    .sidebar { display: none; }
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 2px solid var(--border);
    margin-bottom: 18px;
    gap: 2px;
}
.tabs a {
    padding: 10px 18px;
    color: var(--text-muted);
    font-weight: bold;
    font-size: 13px;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}
.tabs a:hover { color: var(--brand-dark); text-decoration: none; }
.tabs a.active { color: var(--brand-dark); border-bottom-color: var(--brand-primary); }

/* Timeline */
.timeline { position: relative; padding-left: 22px; }
.timeline::before {
    content: '';
    position: absolute;
    left: 6px; top: 8px; bottom: 8px;
    width: 2px;
    background: var(--border);
}
.timeline-item { position: relative; margin-bottom: 18px; }
.timeline-item::before {
    content: '';
    position: absolute;
    left: -22px; top: 4px;
    width: 14px; height: 14px;
    background: var(--brand-primary);
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: 0 0 0 1px var(--border);
}
.timeline-item .timeline-date {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}
.timeline-item .timeline-title {
    font-weight: bold;
    color: var(--brand-dark);
    margin-bottom: 2px;
}

/* Checkbox grid para permisos */
.permissions-matrix {
    width: 100%;
    border-collapse: collapse;
}
.permissions-matrix th, .permissions-matrix td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-soft);
    font-size: 13px;
}
.permissions-matrix th {
    background: #FAFBFC;
    text-align: center;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.5px;
}
.permissions-matrix th:first-child, .permissions-matrix td:first-child { text-align: left; }
.permissions-matrix td { text-align: center; }
.permissions-matrix input[type="checkbox"] { transform: scale(1.2); cursor: pointer; }
.permissions-matrix .module-name { font-weight: bold; color: var(--brand-dark); }

/* Actions buttons cluster */
.action-buttons {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

/* Calendario */
.calendar-wrapper {
    background: #fff;
    border-radius: var(--radius);
    padding: 18px;
    border: 1px solid var(--border-soft);
}
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.calendar-day-header {
    background: var(--brand-dark);
    color: #fff;
    padding: 8px;
    text-align: center;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: bold;
}
.calendar-day {
    background: #fff;
    min-height: 90px;
    padding: 6px;
    font-size: 12px;
    position: relative;
    cursor: pointer;
    transition: background 0.12s;
}
.calendar-day:hover { background: #FAFBFC; }
.calendar-day.other-month { background: #F9F9FC; color: #BFC2D0; }
.calendar-day.today {
    background: rgba(18,223,158,0.1);
}
.calendar-day.today .day-number {
    background: var(--brand-primary);
    color: var(--brand-dark);
    border-radius: 50%;
    width: 22px; height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}
.calendar-day .day-number { font-weight: bold; }
.calendar-event {
    background: var(--brand-primary);
    color: var(--brand-dark);
    padding: 2px 5px;
    border-radius: 3px;
    font-size: 10px;
    margin-top: 3px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: bold;
}
.calendar-event.task {
    background: #E3F2FD;
    color: var(--info);
}
.calendar-event.overdue {
    background: #FFEBEE;
    color: var(--danger);
}

/* Factura imprimible */
@media print {
    .sidebar, .topbar, .no-print { display: none !important; }
    .app { display: block; }
    .content { padding: 0; }
    .card { box-shadow: none; border: none; }
    body { background: #fff; }
}

.invoice-print {
    background: #fff;
    padding: 40px;
    max-width: 800px;
    margin: 0 auto;
    color: #000;
    font-family: Arial, sans-serif;
}
.invoice-print .inv-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--brand-primary);
}
.invoice-print .inv-company-name {
    font-size: 22px;
    font-weight: bold;
    color: var(--brand-dark);
    margin-bottom: 5px;
}
.invoice-print .inv-title {
    font-size: 32px;
    color: var(--brand-dark);
    text-align: right;
    margin: 0;
}
.invoice-print .inv-number {
    font-size: 14px;
    color: var(--text-muted);
    text-align: right;
}
.invoice-print .inv-parties {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 30px;
}
.invoice-print .inv-party h4 {
    text-transform: uppercase;
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 8px;
}
.invoice-print table.inv-lines {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}
.invoice-print .inv-lines th {
    background: var(--brand-dark);
    color: #fff;
    padding: 10px 12px;
    text-align: left;
    font-size: 12px;
    text-transform: uppercase;
}
.invoice-print .inv-lines td {
    padding: 10px 12px;
    border-bottom: 1px solid #eee;
    font-size: 13px;
}
.invoice-print .inv-totals {
    width: 300px;
    margin-left: auto;
}
.invoice-print .inv-totals tr td {
    padding: 6px 10px;
    border: none;
}
.invoice-print .inv-totals tr.total-row td {
    border-top: 2px solid var(--brand-dark);
    font-size: 16px;
    font-weight: bold;
    color: var(--brand-dark);
    padding-top: 10px;
}
.invoice-print .inv-footer {
    margin-top: 40px;
    padding-top: 15px;
    border-top: 1px solid #ddd;
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
}

/* Utilidades */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 16px; }
.mb-2 { margin-bottom: 16px; }
.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.small { font-size: 12px; }
.d-flex { display: flex; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.w-100 { width: 100%; }
.nowrap { white-space: nowrap; }

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}
.empty-state .icon { font-size: 48px; display: block; margin-bottom: 10px; }

/* Construccion (FicharSeguro) */
.under-construction {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, #FFF4E5, #FFEBCD);
    border-radius: var(--radius);
    border: 2px dashed var(--warning);
}
.under-construction .big-icon { font-size: 70px; display: block; margin-bottom: 16px; }
.under-construction h2 { color: var(--warning); }