/* ============================================================
   assets/css/app.css
   CRM Gaia Business School
   Paleta corporativa:
     - Azul marino:  #0f3051
     - Vino:         #8b1837
   ============================================================ */

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

    /* Colores corporativos */
    --color-primary:        #0f3051;
    --color-primary-dark:   #0a2440;
    --color-primary-light:  #1e4a76;
    --color-secondary:      #8b1837;
    --color-secondary-dark: #6d1229;

    /* Neutros */
    --color-bg:             #f6f7fb;
    --color-border:         #e5e7eb;
    --color-text:           #1f2937;
    --color-text-muted:     #6b7280;

    /* Sidebar */
    --sidebar-bg:           #0a2440;
    --sidebar-border:       #143a5e;
    --sidebar-text:         #94a3b8;
    --sidebar-text-hover:   #e2e8f0;
    --sidebar-item-hover:   rgba(255, 255, 255, 0.05);
    --sidebar-item-active:  rgba(139, 24, 55, 0.18);
    --sidebar-item-active-text: #f4a4b8;
}

* { box-sizing: border-box; }

body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    margin: 0;
}

/* ============================================================
   LAYOUT PRINCIPAL
   ============================================================ */

.app-wrapper {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: var(--sidebar-text-hover);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}

.app-brand {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--sidebar-border);
    min-height: var(--topbar-height);
}

.app-brand a {
    display: flex;
    align-items: center;
    gap: .5rem;
    text-decoration: none;
    color: inherit;
}

.app-brand a:hover {
    opacity: .85;
}

.app-brand span {
    font-weight: 600;
    font-size: 1rem;
    color: #fff;
}

.app-nav {
    padding: .75rem .5rem;
    display: flex;
    flex-direction: column;
    gap: .15rem;
    overflow-y: auto;
}

.app-nav-item {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .55rem .85rem;
    color: var(--sidebar-text);
    text-decoration: none;
    border-radius: .5rem;
    font-size: .9rem;
    transition: background .15s ease, color .15s ease;
}

.app-nav-item:hover {
    background: var(--sidebar-item-hover);
    color: var(--sidebar-text-hover);
}

.app-nav-item.active {
    background: var(--sidebar-item-active);
    color: var(--sidebar-item-active-text);
}

.app-nav-item i {
    font-size: 1.05rem;
    width: 1.2rem;
    text-align: center;
}

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

.app-topbar {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1.25rem;
    background: #fff;
    border-bottom: none;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
    position: sticky;
    top: 0;
    z-index: 100;
}

.app-page-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0;
    flex: 1;
    color: var(--color-primary);
}

.app-user {
    font-size: .875rem;
    display: flex;
    align-items: center;
    color: var(--color-text-muted);
}

.app-content {
    padding: 1.25rem;
    flex: 1;
}

/* ============================================================
   LOGIN
   ============================================================ */

.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-secondary) 100%);
    padding: 1rem;
}

.auth-wrapper .card {
    border-radius: .75rem;
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* ============================================================
   BOTONES (override Bootstrap)
   ============================================================ */

.btn-primary {
    --bs-btn-bg: var(--color-primary);
    --bs-btn-border-color: var(--color-primary);
    --bs-btn-hover-bg: var(--color-primary-dark);
    --bs-btn-hover-border-color: var(--color-primary-dark);
    --bs-btn-active-bg: var(--color-primary-dark);
    --bs-btn-active-border-color: var(--color-primary-dark);
    --bs-btn-disabled-bg: var(--color-primary);
    --bs-btn-disabled-border-color: var(--color-primary);
}

.btn-outline-primary {
    --bs-btn-color: var(--color-primary);
    --bs-btn-border-color: var(--color-primary);
    --bs-btn-hover-bg: var(--color-primary);
    --bs-btn-hover-border-color: var(--color-primary);
    --bs-btn-active-bg: var(--color-primary-dark);
    --bs-btn-active-border-color: var(--color-primary-dark);
}

.btn-danger {
    --bs-btn-bg: var(--color-secondary);
    --bs-btn-border-color: var(--color-secondary);
    --bs-btn-hover-bg: var(--color-secondary-dark);
    --bs-btn-hover-border-color: var(--color-secondary-dark);
    --bs-btn-active-bg: var(--color-secondary-dark);
    --bs-btn-active-border-color: var(--color-secondary-dark);
}

.btn-outline-danger {
    --bs-btn-color: var(--color-secondary);
    --bs-btn-border-color: var(--color-secondary);
    --bs-btn-hover-bg: var(--color-secondary);
    --bs-btn-hover-border-color: var(--color-secondary);
    --bs-btn-active-bg: var(--color-secondary-dark);
    --bs-btn-active-border-color: var(--color-secondary-dark);
}

.text-primary {
    color: var(--color-primary) !important;
}

/* ============================================================
   TARJETAS
   ============================================================ */

.card {
    border-radius: .75rem;
    border: 1px solid #f1f5f9;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.card-header {
    border-bottom: 1px solid #f1f5f9;
    font-weight: 600;
    font-size: .85rem;
    padding: .9rem 1.1rem;
    background: #fff;
}

/* ============================================================
   TABLAS
   ============================================================ */

.table {
    font-size: .875rem;
    margin-bottom: 0;
}

.table > :not(caption) > * > * {
    padding: .6rem .75rem;
}

.table thead th {
    font-weight: 600;
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .03em;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-border);
}

.table-hover > tbody > tr:hover > * {
    background-color: #f8fafc;
}

/* ============================================================
   BADGES SUAVES
   ============================================================ */

.badge {
    font-weight: 500;
    font-size: .72rem;
    padding: .3em .55em;
}

.badge.bg-primary {
    background-color: #dbeafe !important;
    color: #1e3a8a !important;
}

.badge.bg-success {
    background-color: #d1fae5 !important;
    color: #065f46 !important;
}

.badge.bg-danger {
    background-color: #fce7f3 !important;
    color: var(--color-secondary) !important;
}

.badge.bg-warning {
    background-color: #fef3c7 !important;
    color: #92400e !important;
}

.badge.bg-info {
    background-color: #cffafe !important;
    color: #155e75 !important;
}

.badge.bg-secondary {
    background-color: #e2e8f0 !important;
    color: #475569 !important;
}

/* ============================================================
   KPIs
   ============================================================ */

.fs-3 {
    font-size: 1.75rem !important;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-primary);
}

/* ============================================================
   FORMULARIOS
   ============================================================ */

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 0.2rem rgba(15, 48, 81, 0.1);
}

.form-label {
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: .35rem;
}

/* ============================================================
   PAGINACIÓN
   ============================================================ */

.page-link {
    color: var(--color-primary);
}

.page-item.active .page-link {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

/* ============================================================
   LINKS
   ============================================================ */

a {
    color: var(--color-primary);
}

a:hover {
    color: var(--color-primary-dark);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 992px) {
    .app-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        transform: translateX(-100%);
        transition: transform .2s ease;
        z-index: 1030;
    }

    .app-sidebar.show {
        transform: translateX(0);
    }
}