/* ==========================================================================
   VIP BARBERS CLUB - PANEL DE ADMINISTRACIÓN DE LUJO (NEGRO Y DORADO)
   ========================================================================== */

:root {
    --admin-bg-deep: #080808;
    --admin-bg-sidebar: #0D0D0D;
    --admin-bg-card: #141414;
    --admin-bg-card-hover: #1A1A1A;
    --admin-bg-input: #0B0B0B;
    
    --admin-gold: #D4AF37;
    --admin-gold-light: #F4D068;
    --admin-gold-gradient: linear-gradient(135deg, #F9E29B 0%, #D4AF37 50%, #A6731B 100%);
    --admin-gold-border: rgba(212, 175, 55, 0.28);
    --admin-gold-glow: 0 0 20px rgba(212, 175, 55, 0.25);
    
    --admin-text-white: #FFFFFF;
    --admin-text-body: #CFCFCF;
    --admin-text-muted: #888888;
    
    --admin-danger: #E63946;
    --admin-success: #2A9D8F;
    --admin-border: rgba(255, 255, 255, 0.08);
    
    --font-heading: 'Cinzel', serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--admin-bg-deep);
    color: var(--admin-text-body);
    min-height: 100vh;
    line-height: 1.6;
}

/* Pantalla de Inicio de Sesión */
.login-screen {
    position: fixed;
    inset: 0;
    background-color: #070707;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background-image: radial-gradient(circle at center, rgba(212, 175, 55, 0.08) 0%, transparent 60%);
}

.login-card {
    background: #111111;
    border: 1px solid var(--admin-gold-border);
    border-radius: 20px;
    padding: 3.25rem 2.75rem;
    width: 100%;
    max-width: 440px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.95), var(--admin-gold-glow);
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-logo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px solid var(--admin-gold);
    margin: 0 auto 1.5rem;
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.35);
    background: black;
}

.login-card h2 {
    font-family: var(--font-heading);
    font-size: 1.65rem;
    color: white;
    margin-bottom: 0.35rem;
}

.login-card p {
    font-size: 0.88rem;
    color: var(--admin-text-muted);
    margin-bottom: 2rem;
}

.login-error {
    display: none;
    background: rgba(230, 57, 70, 0.15);
    border: 1px solid var(--admin-danger);
    color: #FFA69E;
    padding: 0.65rem;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
}

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

/* Sidebar */
.admin-sidebar {
    width: 290px;
    background-color: var(--admin-bg-sidebar);
    border-right: 1px solid var(--admin-gold-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: sticky;
    top: 0;
    height: 100vh;
}

.sidebar-header {
    padding: 2rem 1.75rem;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-logo-img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1.5px solid var(--admin-gold);
}

.sidebar-brand-name {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: white;
    font-weight: 700;
    line-height: 1.1;
}

.sidebar-brand-badge {
    font-size: 0.65rem;
    color: var(--admin-gold);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 700;
}

.sidebar-menu {
    list-style: none;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
    overflow-y: auto;
}

.menu-item button {
    width: 100%;
    padding: 0.85rem 1.15rem;
    border-radius: 12px;
    background: transparent;
    border: none;
    color: #A0A0A0;
    font-size: 0.95rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.menu-item button i {
    font-size: 1.1rem;
    width: 22px;
    text-align: center;
    color: var(--admin-gold);
}

.menu-item button:hover {
    background-color: rgba(212, 175, 55, 0.08);
    color: white;
}

.menu-item.active button {
    background: var(--admin-gold-gradient);
    color: #0A0A0A !important;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.menu-item.active button i {
    color: #0A0A0A;
}

.sidebar-footer {
    padding: 1.5rem 1.25rem;
    border-top: 1px solid var(--admin-border);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Contenido Principal */
.admin-main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background-color: var(--admin-bg-deep);
}

.admin-topbar {
    height: 76px;
    padding: 0 2.5rem;
    background-color: rgba(13, 13, 13, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-topbar h1 {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    color: white;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-content {
    padding: 2.5rem;
    flex-grow: 1;
    max-width: 1300px;
    width: 100%;
    margin: 0 auto;
}

/* Pestañas */
.tab-pane {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

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

/* Tarjetas Dashboard */
.card-admin {
    background-color: var(--admin-bg-card);
    border: 1px solid var(--admin-border);
    border-radius: 16px;
    padding: 2.25rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.card-admin:hover {
    border-color: rgba(212, 175, 55, 0.2);
}

.card-admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.75rem;
    border-bottom: 1px solid var(--admin-border);
    padding-bottom: 1rem;
}

.card-admin-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.card-admin-title i {
    color: var(--admin-gold);
}

/* Formularios */
.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.form-group-admin {
    margin-bottom: 1.35rem;
}

.form-label-admin {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: #E0E0E0;
    margin-bottom: 0.45rem;
}

.form-input-admin {
    width: 100%;
    padding: 0.85rem 1.15rem;
    background-color: var(--admin-bg-input);
    border: 1.5px solid var(--admin-border);
    border-radius: 10px;
    color: white;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.form-input-admin:focus {
    outline: none;
    border-color: var(--admin-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
}

textarea.form-input-admin {
    resize: vertical;
    min-height: 100px;
}

/* Botones Admin */
.btn-admin {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.btn-admin-gold {
    background: var(--admin-gold-gradient);
    color: #080808;
    box-shadow: var(--admin-gold-glow);
}

.btn-admin-gold:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(212, 175, 55, 0.45);
}

.btn-admin-outline {
    background: transparent;
    border: 1.5px solid var(--admin-gold-border);
    color: var(--admin-gold-light);
}

.btn-admin-outline:hover {
    background: rgba(212, 175, 55, 0.12);
    border-color: var(--admin-gold);
}

.btn-admin-danger {
    background: rgba(230, 57, 70, 0.15);
    border: 1px solid var(--admin-danger);
    color: #FFA69E;
}

.btn-admin-danger:hover {
    background: var(--admin-danger);
    color: white;
}

.btn-admin-sm {
    padding: 0.45rem 1rem;
    font-size: 0.8rem;
}

/* Dropzones y Carga de Medios */
.media-dropzone {
    border: 2px dashed var(--admin-gold-border);
    border-radius: 16px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    background: rgba(212, 175, 55, 0.02);
    cursor: pointer;
    transition: all 0.25s ease;
    margin-bottom: 1.5rem;
}

.media-dropzone:hover,
.media-dropzone.dragover {
    border-color: var(--admin-gold);
    background: rgba(212, 175, 55, 0.07);
}

.dropzone-icon {
    font-size: 2.5rem;
    color: var(--admin-gold);
    margin-bottom: 0.75rem;
}

.dropzone-title {
    font-weight: 700;
    color: white;
    margin-bottom: 0.25rem;
}

.dropzone-desc {
    font-size: 0.825rem;
    color: var(--admin-text-muted);
}

/* Grilla de Medios y Servicios */
.admin-items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 1.5rem;
}

.admin-item-card {
    background: var(--admin-bg-input);
    border: 1px solid var(--admin-border);
    border-radius: 14px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.2s ease;
}

.admin-item-card:hover {
    border-color: var(--admin-gold-border);
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.7);
}

.item-thumb-container {
    position: relative;
    height: 180px;
    background: #000;
    overflow: hidden;
}

.item-thumb-container img,
.item-thumb-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.item-type-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--admin-gold);
    color: var(--admin-gold-light);
    font-size: 0.7rem;
    padding: 0.2rem 0.65rem;
    border-radius: 9999px;
    font-weight: 700;
    text-transform: uppercase;
}

.item-card-body {
    padding: 1.25rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.item-card-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    color: white;
    margin-bottom: 0.4rem;
}

.item-card-desc {
    font-size: 0.85rem;
    color: #999;
    line-height: 1.5;
    flex-grow: 1;
    margin-bottom: 1rem;
}

.item-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0.75rem;
    border-top: 1px solid var(--admin-border);
}

/* Modales Admin */
.admin-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(6px);
    z-index: 10000;
    padding: 2rem 1rem;
    align-items: center;
    justify-content: center;
}

.admin-modal.active {
    display: flex;
}

.admin-modal-box {
    background: #141414;
    border: 1px solid var(--admin-gold-border);
    border-radius: 20px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2.25rem;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.95), var(--admin-gold-glow);
    animation: fadeIn 0.3s ease-out;
}

.admin-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--admin-border);
    padding-bottom: 1rem;
}

.admin-modal-header h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    color: white;
}

.modal-close-admin {
    background: transparent;
    border: none;
    font-size: 1.8rem;
    color: #888;
    cursor: pointer;
    line-height: 1;
}

.modal-close-admin:hover {
    color: white;
}

/* Toast de Notificaciones */
.toast-notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #181818;
    border: 1px solid var(--admin-gold);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.9), var(--admin-gold-glow);
    z-index: 11000;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notification.show {
    transform: translateY(0);
    opacity: 1;
}

.toast-notification i {
    font-size: 1.35rem;
    color: var(--admin-gold-light);
}

@media (max-width: 900px) {
    .admin-layout {
        flex-direction: column;
    }
    .admin-sidebar {
        width: 100%;
        height: auto;
        position: static;
    }
    .form-grid-2, .form-grid-3 {
        grid-template-columns: 1fr;
    }
    .admin-content {
        padding: 1.5rem;
    }
    .admin-topbar {
        padding: 0 1.5rem;
    }
}