/* ═══════════════════════════════════════════════════════════
   InvCumbres Web Portal - Estilos
   ═══════════════════════════════════════════════════════════ */

:root {
    --primary: #1a5276;
    --primary-light: #2980b9;
    --secondary: #5d6d7e;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --info: #3498db;
    --purple: #8e44ad;
    --dark: #2c3e50;
    --light: #ecf0f1;
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #e9ecef;
    --gray-200: #dee2e6;
    --gray-300: #ced4da;
    --gray-600: #6c757d;
    --sidebar-width: 260px;
    --border-radius: 8px;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.12);
}

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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background: var(--gray-50);
}

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

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

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 0;
}

.content-wrapper {
    padding: 24px 30px;
    max-width: 1400px;
}

/* ── Sidebar ────────────────────────────────────────────── */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, var(--primary) 0%, var(--dark) 100%);
    color: var(--white);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    z-index: 1000;
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-brand {
    font-size: 20px;
    font-weight: 700;
    display: block;
}

.sidebar-subtitle {
    font-size: 11px;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.sidebar-nav {
    list-style: none;
    padding: 10px 0;
    flex: 1;
}

.sidebar-link {
    display: block;
    padding: 10px 20px;
    color: rgba(255,255,255,0.85);
    font-size: 13px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
    text-decoration: none !important;
}

.sidebar-link:hover {
    background: rgba(255,255,255,0.1);
    color: var(--white);
}

.sidebar-link.active {
    background: rgba(255,255,255,0.15);
    border-left-color: var(--info);
    color: var(--white);
    font-weight: 600;
}

.sidebar-divider {
    height: 1px;
    background: rgba(255,255,255,0.1);
    margin: 10px 20px;
}

.sidebar-section {
    padding: 5px 20px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.5;
}

.sidebar-footer {
    padding: 15px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.user-info {
    display: flex;
    flex-direction: column;
    margin-bottom: 10px;
}

.user-name {
    font-weight: 600;
    font-size: 13px;
}

.user-role {
    font-size: 11px;
    opacity: 0.6;
}

.logout-link {
    color: var(--warning) !important;
    font-size: 12px;
}

/* ── Page Header ────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.page-header h1 {
    font-size: 22px;
    color: var(--primary);
    margin: 0;
}

.page-subtitle {
    color: var(--gray-600);
    font-size: 13px;
    flex: 1;
}

/* ── KPI Cards ──────────────────────────────────────────── */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    border-top: 4px solid var(--gray-300);
    transition: transform 0.2s;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.kpi-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
}

.kpi-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-600);
    margin-top: 4px;
}

.kpi-primary { border-top-color: var(--primary); }
.kpi-success { border-top-color: var(--success); }
.kpi-warning { border-top-color: var(--warning); }
.kpi-danger { border-top-color: var(--danger); }
.kpi-info { border-top-color: var(--info); }
.kpi-purple { border-top-color: var(--purple); }
.kpi-dark { border-top-color: var(--dark); }

/* ── Tables ─────────────────────────────────────────────── */
.table-responsive {
    overflow-x: auto;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.table thead th {
    background: var(--primary);
    color: var(--white);
    padding: 10px 14px;
    text-align: left;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.table tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--gray-100);
    vertical-align: middle;
}

.table tbody tr:hover {
    background: #f0f7fd;
}

.text-center { text-align: center; }
.text-right { text-align: right; }

/* ── Badges ─────────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-success { background: #d5f5e3; color: #1e8449; }
.badge-warning { background: #fef9e7; color: #b9770e; }
.badge-danger { background: #fadbd8; color: #c0392b; }
.badge-info { background: #d6eaf8; color: #2471a3; }
.badge-primary { background: #d4e6f1; color: #1a5276; }

/* ── Progress Bar ───────────────────────────────────────── */
.progress-bar-container {
    width: 100%;
    background: var(--gray-200);
    border-radius: 10px;
    height: 22px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--success), #2ecc71);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    color: var(--white);
    min-width: 40px;
    transition: width 0.5s ease;
}

/* ── Cards ──────────────────────────────────────────────── */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 20px 24px;
    box-shadow: var(--shadow);
}

.card h3 {
    font-size: 15px;
    color: var(--primary);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--gray-100);
}

/* ── Forms ──────────────────────────────────────────────── */
.form-group {
    margin-bottom: 14px;
    flex: 1;
    min-width: 200px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 13px;
    transition: border-color 0.2s;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(41,128,185,0.15);
}

.form-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none !important;
    font-family: inherit;
}

.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-light); }
.btn-success { background: var(--success); color: var(--white); }
.btn-success:hover { background: #229954; }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-danger:hover { background: #c0392b; }
.btn-outline {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
}
.btn-outline:hover { background: var(--primary); color: var(--white); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; }

/* ── Alerts ─────────────────────────────────────────────── */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 13px;
}

.alert-danger { background: #fadbd8; color: #c0392b; border-left: 4px solid #e74c3c; }
.alert-success { background: #d5f5e3; color: #1e8449; border-left: 4px solid #27ae60; }
.alert-info { background: #d6eaf8; color: #2471a3; border-left: 4px solid #3498db; }

/* ── Login ──────────────────────────────────────────────── */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}

.login-card {
    background: var(--white);
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 5px;
}

.login-header p {
    color: var(--gray-600);
    font-size: 13px;
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    color: var(--gray-600);
}

/* ── Loading ────────────────────────────────────────────── */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--gray-600);
    font-size: 14px;
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--gray-600);
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .content-wrapper {
        padding: 16px;
    }

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .form-row {
        flex-direction: column;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
}