:root {
    --primary: #e63946;
    --primary-dark: #c1121f;
    --dark: #0a0a0a;
    --dark-2: #141414;
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-600: #6b6b6b;
    --gray-800: #222222;
    --green: #25d366;
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

/* ------- LAYOUT ------- */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
    width: 250px;
    background: var(--dark);
    color: var(--white);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    transition: transform 0.3s;
}
.admin-brand {
    padding: 20px;
    border-bottom: 1px solid #222;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.admin-brand img { height: 34px; width: auto; align-self: flex-start; }
.admin-brand span { font-size: 0.8rem; color: var(--gray-600); text-transform: uppercase; letter-spacing: 1px; }

.admin-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--gray-300);
    font-weight: 500;
    font-size: 0.92rem;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}
.admin-nav-item:hover { background: #161616; color: var(--white); }
.admin-nav-item.active { background: #161616; color: var(--white); border-left-color: var(--primary); }
.admin-nav-item i { width: 20px; text-align: center; }

.admin-sidebar-footer { padding: 12px 0; border-top: 1px solid #222; }

.admin-main { flex: 1; margin-left: 250px; display: flex; flex-direction: column; min-height: 100vh; }
.admin-topbar {
    background: var(--white);
    padding: 16px 28px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 50;
}
.admin-topbar h1 { font-size: 1.3rem; color: var(--dark); flex: 1; }
.admin-toggle { display: none; background: none; border: none; font-size: 1.4rem; color: var(--dark); cursor: pointer; }
.admin-topbar-right { display: flex; align-items: center; gap: 12px; }
.admin-user { font-weight: 600; color: var(--gray-800); font-size: 0.9rem; }

.admin-content { padding: 28px; flex: 1; }

/* ------- BUTTONS ------- */
.btn-admin {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 8px;
    border: 2px solid transparent;
    font-size: 0.92rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--white);
    color: var(--gray-800);
}
.btn-admin-primary { background: var(--primary); color: var(--white); }
.btn-admin-primary:hover { background: var(--primary-dark); }
.btn-admin-outline { border-color: var(--gray-300); }
.btn-admin-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-admin-small { padding: 6px 12px; font-size: 0.8rem; }
.btn-admin-block { width: 100%; }
.btn-danger { background: transparent; border-color: transparent; color: var(--primary); }
.btn-danger:hover { background: #fdecea; }

/* ------- FLASH ------- */
.flash-admin { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-weight: 500; font-size: 0.92rem; border: 1px solid transparent; }
.flash-success { background: #e8f8ee; color: #1a7f42; border-color: #b8e6c9; }
.flash-error { background: #fdecea; color: #a81818; border-color: #f3c1bf; }

/* ------- PANELS ------- */
.panel {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; gap: 12px; }
.panel-header h2 { font-size: 1.05rem; color: var(--dark); }
.mt { margin-top: 24px; }
.panel-form { max-width: 860px; }
.admin-hint {
    background: #fff7e6;
    border: 1px solid #ffe0a3;
    color: #8a6d1a;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-bottom: 20px;
}
.admin-hint i { margin-right: 6px; }

/* ------- STATS ------- */
.admin-grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 24px; }
.admin-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.stat-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.2s;
}
.stat-card:hover { transform: translateY(-3px); box-shadow: 0 6px 16px rgba(0,0,0,0.08); }
.stat-icon {
    width: 52px; height: 52px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
    color: var(--white);
    flex-shrink: 0;
}
.stat-icon.red { background: var(--primary); }
.stat-icon.blue { background: #2c5dc2; }
.stat-icon.green { background: #1fa752; }
.stat-icon.dark { background: var(--dark); }
.stat-value { font-size: 1.6rem; font-weight: 800; color: var(--dark); display: block; line-height: 1.2; }
.stat-label { font-size: 0.85rem; color: var(--gray-600); }

/* ------- QUICK ACTIONS ------- */
.quick-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
.quick-action {
    border: 2px dashed var(--gray-300);
    border-radius: 10px;
    padding: 18px;
    text-align: center;
    color: var(--gray-800);
    font-weight: 600;
    font-size: 0.92rem;
    transition: all 0.2s;
}
.quick-action i { display: block; font-size: 1.4rem; color: var(--primary); margin-bottom: 8px; }
.quick-action:hover { border-color: var(--primary); background: #fdf3f3; }

.price-range { display: grid; gap: 12px; }
.price-range-label { display: block; font-size: 0.8rem; color: var(--gray-600); }
.price-range-value { font-weight: 600; color: var(--dark); }

.mini-list { list-style: none; }
.mini-list li { padding: 10px 0; border-bottom: 1px solid var(--gray-100); font-size: 0.92rem; display: flex; gap: 10px; align-items: center; }
.mini-list li i { color: var(--primary); }
.mini-list-origen { color: var(--gray-600); font-size: 0.8rem; margin-left: auto; }

/* ------- TABLES ------- */
.table-wrap { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--gray-200); font-size: 0.9rem; }
.admin-table th { background: var(--gray-100); color: var(--dark); font-weight: 700; white-space: nowrap; }
.admin-table tr:hover td { background: var(--gray-50); }
.tabla-nombre { font-weight: 600; color: var(--dark); }
.tabla-precio { font-weight: 700; color: var(--primary); }
.tabla-vacia { color: var(--gray-600); text-align: center; padding: 32px; }
.tabla-thumb { width: 56px; height: 42px; object-fit: cover; border-radius: 6px; }
.tabla-sin-img { width: 56px; height: 42px; background: var(--gray-100); border-radius: 6px; display: inline-flex; align-items: center; justify-content: center; color: var(--gray-300); }
.tabla-acciones { display: flex; gap: 6px; align-items: center; }
.form-inline { display: inline; }

/* ------- BADGES ------- */
.badge { display: inline-block; padding: 4px 10px; border-radius: 20px; font-size: 0.76rem; font-weight: 600; }
.badge-ok { background: #e8f8ee; color: #1a7f42; }
.badge-no { background: #fdecea; color: #a81818; }
.badge-star { background: #fff7e6; color: #b8860b; }
.badge-gray { background: var(--gray-200); color: var(--gray-600); }

/* ------- TOOLBAR / SEARCH ------- */
.panel-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.busqueda { display: flex; gap: 8px; flex: 1; max-width: 520px; }
.input-admin {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--gray-300);
    border-radius: 8px;
    font-size: 0.92rem;
    font-family: inherit;
    background: var(--white);
    transition: all 0.2s;
}
.input-admin:focus { outline: none; border-color: var(--primary); }
.textarea-admin { resize: vertical; min-height: 90px; }
.input-dir { font-size: 0.85rem; }

/* ------- FORMS ------- */
.form-admin-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-admin-group { margin-bottom: 18px; }
.form-admin-group label { display: block; font-weight: 600; color: var(--dark); font-size: 0.88rem; margin-bottom: 6px; }
.form-admin-group label .campo-clave { color: var(--gray-600); font-weight: 400; font-size: 0.78rem; }
.form-error { display: block; color: #a81818; font-size: 0.8rem; margin-top: 4px; }
.checkboxes { align-items: center; }
.checkbox-admin { display: flex; align-items: center; gap: 8px; font-weight: 600; color: var(--dark); cursor: pointer; }
.checkbox-admin input { width: 18px; height: 18px; accent-color: var(--primary); }
.form-admin-actions { display: flex; gap: 12px; margin-top: 20px; border-top: 1px solid var(--gray-200); padding-top: 20px; }

.upload-row { display: grid; gap: 12px; }
.upload-preview { display: flex; align-items: center; gap: 12px; }
.upload-preview img { width: 90px; height: 65px; object-fit: cover; border-radius: 8px; border: 1px solid var(--gray-200); }
.upload-preview span { font-size: 0.82rem; color: var(--gray-600); }

.ajustes-grupo { margin-bottom: 8px; }

/* ------- CONTENIDO TABS ------- */
.contenido-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.contenido-tab {
    padding: 10px 18px;
    border-radius: 30px;
    border: 2px solid var(--gray-300);
    background: var(--white);
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--gray-800);
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}
.contenido-tab.active { background: var(--primary); border-color: var(--primary); color: var(--white); }
.contenido-grupo { display: none; }
.contenido-grupo.active { display: block; }
.campo-clave { font-family: monospace; }

/* ------- GALERIA ------- */
.galeria-section { margin-bottom: 28px; }
.galeria-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 14px; }
.galeria-item {
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    overflow: hidden;
    background: var(--white);
    transition: all 0.2s;
}
.galeria-item:hover { transform: translateY(-3px); box-shadow: 0 6px 16px rgba(0,0,0,0.08); }
.galeria-item img { width: 100%; height: 120px; object-fit: cover; }
.galeria-noimg { width: 100%; height: 120px; display: flex; align-items: center; justify-content: center; color: var(--gray-300); background: var(--gray-100); font-size: 1.6rem; }
.galeria-info { padding: 10px; }
.galeria-nombre { display: block; font-size: 0.82rem; font-weight: 600; color: var(--dark); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.galeria-archivo { display: block; font-size: 0.72rem; color: var(--gray-600); font-family: monospace; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ------- LOGIN ------- */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, var(--dark), var(--dark-2)); padding: 20px; }
.login-wrapper { width: 100%; max-width: 420px; }
.login-card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.login-logo { height: 52px; width: auto; margin: 0 auto 20px; display: block; }
.login-card h1 { font-size: 1.3rem; color: var(--dark); text-align: center; }
.login-sub { text-align: center; color: var(--gray-600); font-size: 0.9rem; margin: 6px 0 24px; }
.login-field { margin-bottom: 16px; }
.login-field label { display: block; font-weight: 600; color: var(--dark); font-size: 0.88rem; margin-bottom: 6px; }
.login-input {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--gray-300);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.2s;
}
.login-input:focus { outline: none; border-color: var(--primary); }
.login-footer { text-align: center; margin-top: 18px; color: var(--gray-300); }
.login-footer a { color: var(--white); font-size: 0.9rem; }
.login-footer a:hover { color: var(--primary); }

/* ------- RESPONSIVE ------- */
.admin-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 90;
}
@media (max-width: 992px) {
    .admin-grid-2 { grid-template-columns: 1fr; }
    .admin-sidebar { transform: translateX(-100%); width: 270px; }
    .admin-sidebar.open { transform: translateX(0); }
    .admin-backdrop.show { display: block; }
    .admin-main { margin-left: 0; }
    .admin-toggle { display: block; }
    .admin-topbar { flex-wrap: wrap; row-gap: 8px; }
    .admin-topbar-right { margin-left: auto; flex-wrap: wrap; }
}
@media (max-width: 640px) {
    .admin-content { padding: 16px; }
    .form-admin-2col { grid-template-columns: 1fr; }
    .quick-actions { grid-template-columns: 1fr; }
    .panel-toolbar { flex-direction: column; align-items: stretch; }
    .busqueda { max-width: none; }
    .admin-topbar { padding: 12px 16px; }
    .admin-topbar h1 { font-size: 1.05rem; }
    .admin-user { display: none; }
    .panel { padding: 18px; }
    .stat-value { font-size: 1.3rem; }
    .stat-icon { width: 44px; height: 44px; font-size: 1.1rem; }
    .galeria-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
    .login-card { padding: 28px 20px; }
    .tabla-acciones { flex-wrap: wrap; }
    .btn-admin { padding: 8px 14px; }
}
@media (max-width: 480px) {
    .admin-topbar-right .btn-admin span { display: none; }
    .admin-grid-4 { grid-template-columns: 1fr 1fr; gap: 12px; }
    .stat-card { padding: 14px; gap: 10px; }
    .admin-content { padding: 12px; }
}