:root {
    --bf-primary: #1a5f4a;
    --bf-primary-dark: #134636;
    --bf-accent: #e8a838;
    --bf-bg: #eef2f6;
    --bf-sidebar: #1e293b;
    --bf-surface: #ffffff;
    --bf-border: #e2e8f0;
    --bf-text: #1e293b;
    --bf-muted: #64748b;
}

body.app-body {
    background: var(--bf-bg);
    min-height: 100vh;
    color: var(--bf-text);
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

.navbar-bikefit {
    background: linear-gradient(135deg, var(--bf-primary) 0%, var(--bf-primary-dark) 100%);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}

.navbar-bikefit .navbar-brand {
    font-weight: 700;
    letter-spacing: 0.5px;
}

.sidebar-toolbar {
    background: var(--bf-sidebar);
    min-height: calc(100vh - 56px);
    padding: 1rem 0;
}

.sidebar-toolbar .nav-link {
    color: #cbd5e1;
    padding: 0.65rem 1.25rem;
    border-left: 3px solid transparent;
    font-size: 0.95rem;
    transition: background 0.15s, color 0.15s;
}

.sidebar-toolbar .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
}

.sidebar-toolbar .nav-link.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    border-left-color: var(--bf-accent);
    font-weight: 600;
}

.sidebar-toolbar .nav-link.disabled {
    color: #64748b;
    pointer-events: none;
}

.sidebar-toolbar .section-title {
    color: #94a3b8;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.75rem 1.25rem 0.25rem;
}

.content-area {
    padding: 1.5rem 1.75rem 2rem;
}

.entity-title {
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--bf-text);
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

.entity-title i {
    color: var(--bf-primary);
    margin-right: 0.35rem;
}

.panel-busqueda {
    background: var(--bf-surface);
    border: 1px solid var(--bf-border);
    border-radius: 12px;
    padding: 1.1rem 1.25rem;
    margin-bottom: 1rem;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.panel-busqueda .form-control,
.panel-busqueda .form-select {
    border-color: var(--bf-border);
    font-size: 0.95rem;
}

.panel-busqueda .form-control:focus,
.panel-busqueda .form-select:focus {
    border-color: var(--bf-primary);
    box-shadow: 0 0 0 0.2rem rgba(26, 95, 74, 0.15);
}

.card-app {
    background: var(--bf-surface);
    border: 1px solid var(--bf-border);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
    overflow: visible;
}

.card-app .table-responsive {
    overflow: visible;
}

.card-app .card-section-title {
    padding: 0.85rem 1.25rem;
    background: #f8fafc;
    border-bottom: 1px solid var(--bf-border);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--bf-text);
}

.table-app {
    margin-bottom: 0;
    font-size: 0.92rem;
}

.table-app thead th {
    background: #f8fafc;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--bf-muted);
    border-bottom: 1px solid var(--bf-border);
    padding: 0.75rem 1rem;
    white-space: nowrap;
}

.table-app tbody td {
    padding: 0.85rem 1rem;
    vertical-align: middle;
    border-color: #f1f5f9;
}

.table-app tbody tr:hover {
    background: #f8fafc;
}

.table-app tbody tr:last-child td {
    border-bottom: none;
}

.btn-hamburger {
    background: transparent;
    border: 1px solid transparent;
    color: var(--bf-muted);
    font-size: 1.25rem;
    padding: 0.15rem 0.45rem;
    border-radius: 8px;
    line-height: 1;
}

.btn-hamburger:hover,
.btn-hamburger:focus,
.btn-hamburger.show {
    background: #f1f5f9;
    border-color: var(--bf-border);
    color: var(--bf-text);
}

.col-acciones {
    width: 48px;
    padding-left: 0.75rem !important;
    padding-right: 0.25rem !important;
}

.col-acciones .dropdown {
    position: static;
}

.col-acciones .dropdown-menu {
    z-index: 1050;
}

.dropdown-menu {
    border: 1px solid var(--bf-border);
    border-radius: 10px;
    padding: 0.35rem 0;
}

.dropdown-item {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
}

.dropdown-item:hover {
    background: #f0fdf4;
}

.alert-app {
    border: none;
    border-radius: 10px;
    font-size: 0.92rem;
}

.detail-card {
    background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
    border: 1px solid var(--bf-border);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
}

.detail-card dt {
    color: var(--bf-muted);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.detail-card dd {
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.badge-tipo {
    background: var(--bf-primary) !important;
    font-weight: 500;
    font-size: 0.75rem;
    padding: 0.35em 0.65em;
}

.empty-state {
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--bf-muted);
}

.empty-state i {
    font-size: 2.5rem;
    opacity: 0.35;
    display: block;
    margin-bottom: 0.75rem;
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(rgba(15, 40, 30, 0.75), rgba(15, 40, 30, 0.85)),
                url('../img/login-bg.jpg') center/cover no-repeat;
    background-color: #1a3a2e;
}

.login-card {
    border: none;
    border-radius: 14px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    overflow: hidden;
    max-width: 420px;
    width: 100%;
}

.login-card .card-header {
    background: var(--bf-primary);
    color: #fff;
    text-align: center;
    padding: 1.5rem;
    border: none;
}

.login-card .card-header h1 {
    font-size: 1.4rem;
    margin: 0;
    font-weight: 700;
}

.welcome-card {
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, #fff 0%, #f0fdf4 100%);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.form-card .form-label {
    font-weight: 500;
    font-size: 0.88rem;
    color: var(--bf-text);
}

.form-card .form-control,
.form-card .form-select {
    border-radius: 8px;
    border-color: var(--bf-border);
}

.form-card .form-control:focus,
.form-card .form-select:focus {
    border-color: var(--bf-primary);
    box-shadow: 0 0 0 0.2rem rgba(26, 95, 74, 0.12);
}

/* BikeFit — formulario de trabajo */
.bikefit-accordion {
    --bs-accordion-border-color: var(--bf-border);
    --bs-accordion-btn-bg: #f8fafc;
    --bs-accordion-active-bg: #f0fdf4;
    --bs-accordion-active-color: var(--bf-text);
    --bs-accordion-btn-focus-box-shadow: 0 0 0 0.2rem rgba(26, 95, 74, 0.12);
}

.bikefit-accordion .accordion-item {
    border: 1px solid var(--bf-border);
    border-radius: 12px !important;
    overflow: hidden;
    margin-bottom: 0.65rem;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.bikefit-accordion .accordion-button {
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.85rem 1.15rem;
}

.bikefit-accordion .accordion-button:not(.collapsed) {
    color: var(--bf-primary-dark);
    border-bottom: 1px solid var(--bf-border);
}

.bikefit-accordion .accordion-body {
    padding: 1rem 1.15rem 1.15rem;
}

.bf-campo-grupo {
    background: #fafbfc;
    border: 1px solid #eef2f6;
    border-radius: 10px;
    padding: 0.65rem 0.75rem;
}

.bf-campo-titulo {
    font-weight: 600;
    font-size: 0.88rem;
    margin-bottom: 0.35rem;
}

.bf-label-actual {
    color: #64748b;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.bf-label-nuevo {
    color: var(--bf-primary);
    font-weight: 600;
    letter-spacing: 0.02em;
}

.bf-valor-actual {
    background-color: #f1f5f9 !important;
    border-color: #cbd5e1 !important;
}

.bf-valor-actual:focus {
    background-color: #e2e8f0 !important;
    border-color: #94a3b8 !important;
    box-shadow: 0 0 0 0.15rem rgba(100, 116, 139, 0.15) !important;
}

.bf-valor-nuevo {
    background-color: #f0fdf4 !important;
    border-color: #86efac !important;
}

.bf-valor-nuevo:focus {
    background-color: #dcfce7 !important;
    border-color: var(--bf-primary) !important;
    box-shadow: 0 0 0 0.15rem rgba(26, 95, 74, 0.15) !important;
}

.bf-leyenda-valores {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.8rem;
}

.bf-leyenda-item {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 600;
}

.bf-leyenda-item .bi {
    font-size: 0.55rem;
}

.bf-leyenda-actual {
    color: #64748b;
}

.bf-leyenda-actual .bi {
    color: #94a3b8;
}

.bf-leyenda-nuevo {
    color: var(--bf-primary);
}

.bf-leyenda-nuevo .bi {
    color: #4ade80;
}

/* Fotos del fit — miniaturas (aplica con o sin theme-modern) */
.bf-foto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.75rem;
}

.bf-foto-card {
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    max-width: 160px;
}

.bf-foto-thumb-btn {
    display: block;
    width: 100%;
    padding: 0;
    border: none;
    background: #f1f5f9;
    position: relative;
    cursor: zoom-in;
    overflow: hidden;
    line-height: 0;
}

.bf-foto-thumb {
    width: 100%;
    height: 96px;
    max-height: 96px;
    object-fit: cover;
    display: block;
}

.bf-foto-zoom {
    position: absolute;
    right: 6px;
    bottom: 6px;
    width: 26px;
    height: 26px;
    border-radius: 6px;
    background: rgba(15, 23, 42, 0.65);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    pointer-events: none;
}

.bf-foto-meta {
    padding: 0.5rem 0.65rem;
}

.bf-foto-modal-img {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    border-radius: 8px;
}