/* ==========================================================================
   WJ SUMINISTROS - ADMIN PANEL CSS
   ========================================================================== */

/* Variables Base (Podemos reusar la estética de dark/light) */
:root {
    --primary-color: #AF88F0;
    --primary-hover: #9b6be8;
    --bg-color: #F8F9FE;
    --surface-color: rgba(255, 255, 255, 0.85);
    --text-main: #2D3748;
    --text-muted: #718096;
    --border-color: rgba(226, 232, 240, 0.6);
    --danger-color: #FC8181;
    --success-color: #68D391;
    
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.05);
    --shadow-glass: 0 8px 32px 0 rgba(175, 136, 240, 0.15);
    
    --radius-md: 12px;
    --radius-lg: 16px;
    
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    height: 100vh;
    overflow: hidden;
}

/* Glassmorphism Classes */
.glass-panel {
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glass);
}

.hidden {
    display: none !important;
}

/* ==========================================================================
   1. LOGIN SCREEN
   ========================================================================== */
.login-screen {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 3rem 2rem;
    text-align: center;
}

.login-logo {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.login-card h2 {
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
}

.login-card p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group input, 
.form-group textarea, 
.form-group select {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.9);
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(175, 136, 240, 0.2);
}

.btn-primary {
    width: 100%;
    padding: 0.8rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    padding: 0.8rem 1.5rem;
    background: rgba(226, 232, 240, 0.8);
    color: var(--text-main);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: #CBD5E0;
}

.login-error {
    margin-top: 1rem;
    color: var(--danger-color);
    background: rgba(252, 129, 129, 0.1);
    padding: 0.5rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

/* ==========================================================================
   2. ADMIN LAYOUT
   ========================================================================== */
.admin-panel {
    display: grid;
    grid-template-columns: 250px 1fr;
    height: 100vh;
    transition: grid-template-columns 0.3s ease;
}

.admin-panel.collapsed {
    grid-template-columns: 0px 1fr;
}

/* Sidebar */
.admin-sidebar {
    border-radius: 0;
    border-top: none;
    border-bottom: none;
    border-left: none;
    display: flex;
    flex-direction: column;
    z-index: 20;
    height: 100vh;
    background: var(--surface-color);
    overflow: hidden;
    transition: width 0.3s ease, opacity 0.3s ease;
    white-space: nowrap;
}

.admin-panel.collapsed .admin-sidebar {
    opacity: 0;
    pointer-events: none;
}

.admin-sidebar .sidebar-nav {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.sidebar-header {
    padding: 2rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-header h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.user-badge {
    font-size: 0.7rem;
    background: var(--primary-color);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 20px;
    font-weight: 700;
    text-transform: uppercase;
}

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1rem 0;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border-left: 4px solid transparent;
}

.nav-item:hover {
    background: rgba(175, 136, 240, 0.05);
    color: var(--primary-color);
}

.nav-item.active {
    background: rgba(175, 136, 240, 0.1);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.nav-item.nav-external {
    border-left: none;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-shrink: 0;
}

.btn-logout {
    background: none;
    border: none;
    color: var(--danger-color);
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
    width: 100%;
}

.btn-logout:hover {
    color: #e53e3e;
}

/* Main Content */
.admin-main {
    padding: 2rem 3rem 4rem;
    overflow-y: auto;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.content-header h1 {
    font-size: 2rem;
    font-weight: 700;
}

.subtitle {
    color: var(--text-muted);
    margin-top: 0.2rem;
}

.tab-content {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   3. ADMIN COMPONENTS (Tables, Stats, Forms)
   ========================================================================== */
   
/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: rgba(175, 136, 240, 0.1);
    color: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-label {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-main);
}

/* Tables */
.table-container {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th, 
.admin-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.admin-table th {
    font-weight: 600;
    color: var(--text-muted);
    background: rgba(0,0,0,0.02);
}

.admin-table td {
    vertical-align: middle;
}

.prod-thumb {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 8px;
}

.badge {
    padding: 0.3rem 0.6rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-success { background: rgba(104, 211, 145, 0.2); color: #276749; }
.badge-warning { background: rgba(237, 137, 54, 0.2); color: #9C4221; }
.badge-danger { background: rgba(252, 129, 129, 0.2); color: #9B2C2C; }
.badge-info { background: rgba(99, 179, 237, 0.2); color: #2A4365; }

.action-btns {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    justify-content: flex-start;
}

.btn-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    background: rgba(0,0,0,0.05);
    color: var(--text-main);
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--primary-color);
    color: white;
}
.btn-icon.delete:hover {
    background: var(--danger-color);
}

/* Configuration Grid */
.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.config-card {
    padding: 2rem;
}

.config-card h3 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
}

.color-pickers {
    display: flex;
    gap: 1rem;
}
.color-pickers div {
    flex: 1;
}
.color-pickers input[type="color"] {
    width: 100%;
    height: 45px;
    padding: 0;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.image-upload-wrapper {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.image-upload-wrapper img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: white;
}

/* ==========================================================================
   4. MODALS AND TOASTS
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2rem;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.btn-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.prod-img-wrap {
    flex-direction: column;
    align-items: flex-start;
}
.prod-img-wrap img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.checkbox-group {
    display: flex;
    align-items: center;
    padding-top: 1.5rem;
}
.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    cursor: pointer;
}
.checkbox-group input {
    width: auto;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
}

.toast {
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    border-left: 4px solid var(--success-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 1rem 1.5rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-main);
    animation: slideIn 0.3s ease;
}

.toast.error {
    border-left-color: var(--danger-color);
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}
.form-group.autocomplete-container { position: relative; z-index: 999; }