/* =============================================
   LoboGeek Admin - Estilos principales
   Paleta de marca:
     Navy:   #1d2c5e
     Azul:   #29abe2
     Blanco: #ffffff
   ============================================= */

:root {
    --sidebar-width: 240px;
    --sidebar-collapsed-width: 64px;
    --topbar-height: 60px;

    /* Marca LoboGeek */
    --brand-navy:        #1d2c5e;
    --brand-navy-dark:   #141f45;
    --brand-navy-light:  #243470;
    --brand-blue:        #29abe2;
    --brand-blue-light:  #5bc4f0;
    --brand-blue-dark:   #1a8cbf;

    /* UI */
    --sidebar-bg:        var(--brand-navy);
    --sidebar-text:      #8fa3c8;
    --sidebar-text-active: #ffffff;
    --sidebar-hover:     var(--brand-navy-light);
    --sidebar-active:    var(--brand-blue);
    --topbar-bg:         #ffffff;
    --body-bg:           #f0f4f9;
    --card-bg:           #ffffff;
    --text-primary:      #111827;
    --text-secondary:    #6b7280;
    --border-color:      #e5eaf2;
    --shadow-sm:         0 1px 3px rgba(29,44,94,.08);
    --shadow-md:         0 4px 12px rgba(29,44,94,.12);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 0.875rem;
}

/* =============================================
   LOGIN
   ============================================= */
.login-body {
    background: linear-gradient(150deg, var(--brand-navy-dark) 0%, var(--brand-navy) 60%, var(--brand-navy-light) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    position: relative;
    overflow: hidden;
}

/* Círculos decorativos de fondo */
.login-body::before,
.login-body::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    opacity: .06;
    background: var(--brand-blue);
    pointer-events: none;
}
.login-body::before { width: 500px; height: 500px; top: -150px; right: -100px; }
.login-body::after  { width: 350px; height: 350px; bottom: -100px; left: -80px; }

.login-card {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0,0,0,.35);
    width: 100%;
    max-width: 420px;
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.login-card-header {
    background: linear-gradient(135deg, var(--brand-navy) 0%, var(--brand-navy-light) 100%);
    padding: 2.25rem 2rem 1.75rem;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

/* Acento azul en la parte inferior del header */
.login-card-header::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--brand-blue), transparent);
}

.login-brand-icon {
    width: 70px;
    height: 70px;
    object-fit: contain;
    margin-bottom: .75rem;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,.3));
}

.login-card-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -.025em;
}

.login-card-header p {
    margin: .25rem 0 0;
    font-size: .8rem;
    opacity: .7;
}

.login-card-body {
    padding: 2rem;
}

.login-card-body .form-label {
    font-weight: 600;
    font-size: .75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: .4rem;
}

.login-card-body .form-control {
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    padding: .65rem .875rem;
    font-size: .9rem;
    transition: border-color .15s, box-shadow .15s;
}

.login-card-body .form-control:focus {
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(41,171,226,.15);
    outline: none;
}

.input-group-text {
    background: #f5f8fc;
    border: 1.5px solid var(--border-color);
    color: var(--brand-navy);
}

.btn-login {
    background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
    border: none;
    border-radius: 8px;
    color: #fff;
    font-weight: 600;
    font-size: .9rem;
    padding: .75rem;
    width: 100%;
    transition: opacity .2s, transform .1s, box-shadow .2s;
    letter-spacing: .025em;
    box-shadow: 0 4px 12px rgba(41,171,226,.4);
}

.btn-login:hover {
    opacity: .93;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(41,171,226,.5);
}

.btn-login:active { transform: translateY(0); }

.login-forgot {
    color: var(--brand-blue) !important;
    font-size: .8rem;
}

.login-footer {
    text-align: center;
    padding: .875rem 2rem 1.25rem;
    color: var(--text-secondary);
    font-size: .75rem;
    border-top: 1px solid var(--border-color);
}

/* =============================================
   ADMIN LAYOUT
   ============================================= */
.admin-body {
    background: var(--body-bg);
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.admin-sidebar {
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: width .25s ease, transform .25s ease;
    overflow: hidden;
    box-shadow: 2px 0 12px rgba(0,0,0,.18);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: 0 1rem;
    height: var(--topbar-height);
    border-bottom: 1px solid rgba(255,255,255,.07);
    white-space: nowrap;
    flex-shrink: 0;
}

/* Icono del lobo (visible en collapsed) */
.sidebar-brand-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
    flex-shrink: 0;
}

/* Logo completo (oculto en collapsed) */
.sidebar-brand-logo {
    height: 40px;
    object-fit: contain;
    flex: 1;
    min-width: 0;
}

.brand-badge {
    font-size: .55rem;
    font-weight: 700;
    background: var(--brand-blue);
    color: #fff;
    padding: .15rem .4rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: .06em;
    flex-shrink: 0;
}

.sidebar-nav {
    flex: 1;
    padding: 1.25rem .75rem;
    overflow-y: auto;
    overflow-x: hidden;
}

.nav-section-label {
    font-size: .62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: rgba(255,255,255,.25);
    padding: 0 .5rem;
    margin-bottom: .4rem;
    white-space: nowrap;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .6rem .75rem;
    border-radius: 8px;
    color: var(--sidebar-text);
    font-size: .875rem;
    font-weight: 500;
    transition: background .15s, color .15s;
    white-space: nowrap;
    text-decoration: none;
}

.sidebar-nav .nav-link i {
    width: 18px;
    text-align: center;
    font-size: .95rem;
    flex-shrink: 0;
}

.sidebar-nav .nav-link:hover {
    background: var(--sidebar-hover);
    color: var(--sidebar-text-active);
}

.sidebar-nav .nav-link.active {
    background: var(--brand-blue);
    color: #fff;
    box-shadow: 0 4px 10px rgba(41,171,226,.35);
}

/* ---- Main area ---- */
.admin-main {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left .25s ease;
}

/* ---- Topbar ---- */
.admin-topbar {
    height: var(--topbar-height);
    background: var(--topbar-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 900;
    box-shadow: var(--shadow-sm);
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--brand-navy);
    font-size: 1.1rem;
    cursor: pointer;
    padding: .4rem;
    border-radius: 6px;
    line-height: 1;
    transition: background .15s, color .15s;
}

.sidebar-toggle:hover {
    background: var(--border-color);
}

.topbar-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--brand-navy);
    flex: 1;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.topbar-user .btn {
    display: flex;
    align-items: center;
    gap: .5rem;
    background: none;
    border: 1.5px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: .875rem;
    font-weight: 500;
    padding: .35rem .75rem;
}

.topbar-user .btn:hover { background: var(--body-bg); }

.user-avatar {
    width: 28px;
    height: 28px;
    background: var(--brand-navy);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: .75rem;
}

/* ---- Content ---- */
.admin-content {
    flex: 1;
    padding: 1.75rem 2rem;
}

.admin-footer {
    padding: .875rem 2rem;
    font-size: .75rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

/* ---- Stats cards ---- */
.stat-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.stat-icon.navy  { background: rgba(29,44,94,.1);  color: var(--brand-navy); }
.stat-icon.blue  { background: rgba(41,171,226,.12); color: var(--brand-blue-dark); }
.stat-icon.green { background: #f0fdf4; color: #16a34a; }
.stat-icon.amber { background: #fffbeb; color: #d97706; }

.stat-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: .8rem;
    color: var(--text-secondary);
    margin-top: .2rem;
}

/* ---- Page header ---- */
.page-header { margin-bottom: 1.75rem; }

.page-header h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--brand-navy);
    margin: 0;
}

.page-header p {
    color: var(--text-secondary);
    margin: .25rem 0 0;
    font-size: .875rem;
}

/* ---- Sidebar submenu ---- */
.nav-link-parent {
    cursor: pointer;
    user-select: none;
}

.nav-chevron {
    font-size: .65rem;
    transition: transform .2s ease;
    width: auto !important;
    flex-shrink: 0;
}

.nav-link-parent[aria-expanded="true"] .nav-chevron {
    transform: rotate(180deg);
}

.nav-submenu {
    padding: .25rem 0 .25rem .5rem;
}

.nav-link-sub {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .5rem .75rem .5rem 1.75rem !important;
    border-radius: 8px;
    color: var(--sidebar-text);
    font-size: .825rem;
    font-weight: 500;
    transition: background .15s, color .15s;
    white-space: nowrap;
    text-decoration: none;
}

.nav-link-sub i {
    width: 16px;
    text-align: center;
    font-size: .8rem;
    flex-shrink: 0;
}

.nav-link-sub:hover {
    background: var(--sidebar-hover);
    color: var(--sidebar-text-active);
}

.nav-link-sub.active {
    background: rgba(41,171,226,.18);
    color: var(--brand-blue-light);
}

/* Ocultar chevron y submenu cuando sidebar colapsado */
.sidebar-collapsed .nav-chevron { display: none; }
.sidebar-collapsed .nav-submenu { display: none; }

/* ---- Buttons brand ---- */
.btn-primary-brand {
    background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
    border: none;
    color: #fff;
    font-weight: 600;
    font-size: .875rem;
    border-radius: 8px;
    padding: .5rem 1rem;
    transition: opacity .2s, transform .1s, box-shadow .2s;
    box-shadow: 0 3px 8px rgba(41,171,226,.35);
}

.btn-primary-brand:hover {
    opacity: .93;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 5px 14px rgba(41,171,226,.45);
}

.btn-primary-brand:active { transform: translateY(0); }

.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: .3rem .4rem;
    border-radius: 6px;
    font-size: .9rem;
    transition: background .15s, color .15s;
    line-height: 1;
}

.btn-icon:hover { background: var(--border-color); color: var(--brand-navy); }
.btn-icon.text-danger:hover { background: #fff1f2; color: #dc2626; }

/* ---- Table ---- */
.table-head-brand th {
    background: var(--brand-navy);
    color: rgba(255,255,255,.85);
    font-size: .72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    border: none;
    padding: .75rem 1rem;
}

/* ---- Search input ---- */
.search-input-wrap {
    position: relative;
    max-width: 340px;
}

.search-input-wrap > i {
    position: absolute;
    left: .875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: .85rem;
    pointer-events: none;
}

.search-input-wrap .form-control {
    padding-left: 2.25rem;
    border-radius: 8px;
    border: 1.5px solid var(--border-color);
    font-size: .875rem;
}

.search-input-wrap .form-control:focus {
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(41,171,226,.12);
}

/* ---- Typography helpers ---- */
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }

/* ---- Form label brand ---- */
.form-label-brand {
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--text-secondary);
    margin-bottom: .4rem;
    display: block;
}

/* ---- Delete modal icon ---- */
.delete-icon-wrap {
    width: 56px;
    height: 56px;
    background: #fff1f2;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #dc2626;
}

/* ---- Sidebar collapsed ---- */
.sidebar-collapsed .admin-sidebar   { width: var(--sidebar-collapsed-width); }
.sidebar-collapsed .admin-main      { margin-left: var(--sidebar-collapsed-width); }
.sidebar-collapsed .sidebar-brand-logo,
.sidebar-collapsed .brand-badge,
.sidebar-collapsed .nav-section-label,
.sidebar-collapsed .sidebar-nav .nav-link span { display: none; }
.sidebar-collapsed .sidebar-brand { justify-content: center; gap: 0; }

/* ---- Ordenamiento de tablas ---- */
.th-sortable {
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
    transition: box-shadow .15s;
}
.th-sortable:hover {
    box-shadow: inset 0 -3px 0 #5bc4f0;
}
.th-sortable[data-sort-dir="asc"],
.th-sortable[data-sort-dir="desc"] {
    box-shadow: inset 0 -3px 0 var(--brand-blue);
}
.sort-icon {
    display: inline-block;
    margin-left: 5px;
    opacity: .45;
    font-size: .7em;
    vertical-align: middle;
    transition: opacity .15s;
}
.th-sortable:hover .sort-icon,
.th-sortable[data-sort-dir] .sort-icon {
    opacity: 1;
}

/* ---- Placeholders ---- */
::placeholder {
    color: #b0bec5 !important;
    opacity: 1;
}
:-ms-input-placeholder { color: #b0bec5 !important; }
::-ms-input-placeholder { color: #b0bec5 !important; }

/* ---- Checkboxes y switches con color de marca ---- */
.form-check-input:checked,
.form-check-input[type="checkbox"]:indeterminate {
    background-color: var(--brand-blue);
    border-color: var(--brand-blue);
}
.form-check-input:focus {
    border-color: var(--brand-blue-light);
    box-shadow: 0 0 0 3px rgba(41,171,226,.2);
}
.form-check-input[type="checkbox"]:checked {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e");
}
.form-switch .form-check-input:checked {
    background-color: var(--brand-blue);
    border-color: var(--brand-blue);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23fff'/%3e%3c/svg%3e");
}

/* ---- Responsive mobile ---- */
@media (max-width: 768px) {
    .admin-sidebar { transform: translateX(-100%); }
    .admin-main    { margin-left: 0; }

    .sidebar-open .admin-sidebar { transform: translateX(0); }
    .sidebar-open .admin-overlay { display: block; }

    .admin-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,.5);
        z-index: 999;
    }
}