/* =============================================
   MenToyPlay — Admin Panel v2.0
   Estilo editorial minimalista tipo LUMA
   ============================================= */

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

:root {
    --primary:  #1E3A8A; /* Azul principal */
    --orange:   #FF6B35; /* Naranja vibrante */
    --bg-light: #F8FAFC;
    --black:    #0F172A;
    --white:    #FFFFFF;
    --border:   #E2E8F0;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-800: #1E293B;
    --font-head: 'Nunito', system-ui, sans-serif;
    --font-sans: 'Inter', system-ui, sans-serif;
    --radius:   8px;
    --radius-md: 12px;
    --shadow:   0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
    --transition: 0.2s ease;
    --madera: #D97706; --madera-bg: #FEF3C7;
    --eps: #2563EB;    --eps-bg: #DBEAFE;
    --metal: #64748B;  --metal-bg: #F1F5F9;
    --principiante: #10B981;
    --medio: #F59E0B;
    --avanzado: #EF4444;
}

body {
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--black);
    background: var(--bg-light);
    -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; font-size: inherit; }
input, select, textarea {
    font-family: var(--font-sans);
    font-size: 13px;
}

/* ══════════════════════════════════════════════
   LOGIN OVERLAY
   ══════════════════════════════════════════════ */
.login-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.login-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow);
}

.login-logo {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}
.login-logo i { color: var(--gold); font-size: 18px; }

.login-card h2 {
    font-size: 14px;
    font-weight: 400;
    color: var(--gray-600);
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
}

.input-group {
    position: relative;
    margin-bottom: 16px;
}
.input-group i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 13px;
}
.input-group input {
    width: 100%;
    padding: 11px 14px 11px 38px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    outline: none;
    transition: border-color var(--transition);
    background: var(--gray-100);
}
.input-group input:focus {
    border-color: var(--black);
    background: var(--white);
}

.login-error {
    font-size: 12px;
    color: var(--avanzado);
    min-height: 18px;
    margin-bottom: 8px;
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: var(--black);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: var(--radius);
    transition: background var(--transition);
    margin-top: 8px;
}
.btn-login:hover { background: var(--gray-800); }
.btn-login:disabled { opacity: 0.6; cursor: not-allowed; }

/* ══════════════════════════════════════════════
   ADMIN LAYOUT
   ══════════════════════════════════════════════ */
.admin-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ── Top Navbar ──────────────────────── */
.admin-navbar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 0 32px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-navbar-logo {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}
.admin-navbar-logo i { color: var(--gold); }
.admin-navbar-sub {
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 400;
    color: var(--gray-400);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-left: 4px;
}

.admin-navbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}
.btn-nav-cancel {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-600);
    transition: all var(--transition);
}
.btn-nav-cancel:hover {
    border-color: var(--black);
    color: var(--black);
}
.btn-nav-save {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: var(--black);
    color: var(--white);
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.06em;
    transition: background var(--transition);
}
.btn-nav-save:hover { background: var(--gray-800); }

/* ── Stats bar ──────────────────────── */
.admin-stats-bar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 0 32px;
    display: flex;
    align-items: stretch;
}
.stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 28px 16px 0;
    margin-right: 28px;
    border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-item-icon {
    width: 36px; height: 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    color: var(--gray-400);
}
.stat-item-val {
    font-size: 22px;
    font-weight: 700;
    line-height: 1;
}
.stat-item-label {
    font-size: 11px;
    color: var(--gray-400);
    margin-top: 2px;
}
.stat-origins {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--gray-400);
    cursor: pointer;
}

/* ══════════════════════════════════════════════
   MAIN CONTENT — dos vistas: Lista y Formulario
   ══════════════════════════════════════════════ */
.admin-main { flex: 1; }

/* ── VISTA LISTA ─────────────────────── */
.view-lista { padding: 32px; }

.lista-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
}
.lista-header h2 {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 600;
}
.btn-nuevo {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--black);
    color: var(--white);
    padding: 10px 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.06em;
    border-radius: var(--radius);
    transition: background var(--transition);
}
.btn-nuevo:hover { background: var(--gray-800); }

/* Filtros lista */
.lista-filters {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.lista-search {
    display: flex;
    align-items: center;
    gap: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--white);
    flex: 1;
    max-width: 340px;
}
.lista-search input {
    flex: 1;
    padding: 8px 14px;
    border: none;
    outline: none;
    background: transparent;
}
.lista-search i {
    padding: 0 12px;
    color: var(--gray-400);
    font-size: 13px;
}
.lista-filter-select {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 14px;
    font-size: 12px;
    background: var(--white);
    color: var(--black);
    outline: none;
    cursor: pointer;
}

/* Tabla lista */
.tabla-container {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.tabla-scroll { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
}
thead {
    background: var(--gray-100);
    border-bottom: 1px solid var(--border);
}
thead th {
    padding: 12px 16px;
    text-align: left;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gray-400);
    white-space: nowrap;
}
tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--gray-100); }
tbody td {
    padding: 14px 16px;
    font-size: 13px;
    vertical-align: middle;
}
.tabla-img {
    width: 48px; height: 48px;
    object-fit: cover;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.tabla-vacia {
    text-align: center;
    padding: 48px;
    color: var(--gray-400);
}

/* SKU code */
.sku-code {
    font-size: 11px;
    color: var(--gray-400);
    font-family: monospace;
    background: var(--gray-100);
    padding: 2px 6px;
    border-radius: 2px;
}

/* Badge material */
.badge-material {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 2px;
}
.badge-madera { background: var(--madera-bg); color: var(--madera); }
.badge-eps    { background: var(--eps-bg);    color: var(--eps); }
.badge-metal  { background: var(--metal-bg);  color: var(--metal); }

/* Badge dificultad */
.badge-dif {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 2px 7px;
    border-radius: 2px;
    text-transform: uppercase;
}
.badge-dif.principiante { background:#DCFCE7; color: var(--principiante); }
.badge-dif.medio        { background:#FEF3C7; color: var(--medio); }
.badge-dif.avanzado     { background:#FEE2E2; color: var(--avanzado); }

/* Estado badge */
.estado-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 20px;
}
.estado-badge.activo  { background:#DCFCE7; color:#15803D; }
.estado-badge.bajo    { background:#FEF3C7; color:#B45309; }
.estado-badge.agotado { background:#FEE2E2; color:#B91C1C; }

/* Stock controls */
.stock-controls {
    display: flex;
    align-items: center;
    gap: 6px;
}
.stock-controls input[type="number"] {
    width: 56px;
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
    font-size: 13px;
    font-weight: 600;
}
.stock-controls button {
    width: 24px; height: 24px;
    background: var(--gray-200);
    border-radius: 3px;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
}
.stock-controls button:hover { background: var(--border); }

/* Acciones */
.acciones {
    display: flex;
    gap: 6px;
}
.btn-accion {
    width: 32px; height: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--gray-600);
    transition: all var(--transition);
}
.btn-accion:hover              { background: var(--gray-200); color: var(--black); }
.btn-accion.btn-del:hover      { background: #FEE2E2; color: #B91C1C; border-color: #FCA5A5; }
.btn-accion.btn-toggle:hover   { background: #FEF3C7; color: #B45309; border-color: #FDE68A; }

/* ── VISTA FORMULARIO ────────────────── */
.view-form { display: none; }
.view-form.active { display: block; }

.form-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 0;
    min-height: calc(100vh - 120px);
}

/* Panel izquierdo: formulario */
.form-panel {
    padding: 32px;
    border-right: 1px solid var(--border);
    background: var(--white);
}

.form-section {
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}
.form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.form-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--black);
    margin-bottom: 20px;
}
.form-section-title span {
    width: 22px; height: 22px;
    background: var(--black);
    color: var(--white);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-row.triple {
    grid-template-columns: 2fr 1fr 1fr;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }

label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-600);
}
label .req { color: #DC2626; margin-left: 2px; }
label .hint {
    display: block;
    font-size: 10px;
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
    color: var(--gray-400);
    margin-top: 2px;
}

.form-input,
.form-select,
.form-textarea {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    color: var(--black);
    background: var(--white);
    transition: border-color var(--transition);
    outline: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus { border-color: var(--black); }

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

/* Precio con prefijo */
.input-prefix {
    position: relative;
}
.input-prefix span {
    position: absolute;
    left: 12px; top: 50%;
    transform: translateY(-50%);
    font-size: 13px;
    color: var(--gray-400);
    font-weight: 500;
}
.input-prefix .form-input { padding-left: 32px; }

/* Select dificultad con colores */
.form-select option[value="principiante"] { color: var(--principiante); }
.form-select option[value="medio"]        { color: var(--medio); }
.form-select option[value="avanzado"]     { color: var(--avanzado); }

/* Ganancia calculada */
.ganancia-display {
    padding: 10px 12px;
    background: var(--gray-100);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    color: var(--principiante);
}

/* Upload imagen */
.img-upload-zone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 32px 24px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    background: var(--gray-100);
}
.img-upload-zone:hover {
    border-color: var(--black);
    background: var(--white);
}
.img-upload-zone i {
    font-size: 28px;
    color: var(--gray-400);
}
.img-upload-zone p {
    font-size: 13px;
    color: var(--gray-600);
}
.img-upload-zone .small {
    font-size: 11px;
    color: var(--gray-400);
}
.img-upload-zone a {
    color: var(--black);
    text-decoration: underline;
    font-weight: 500;
}

.img-preview-wrap {
    display: none;
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border);
}
.img-preview-wrap img {
    width: 100%;
    max-height: 220px;
    object-fit: cover;
}
.img-preview-wrap button {
    position: absolute;
    top: 8px; right: 8px;
    width: 28px; height: 28px;
    background: rgba(0,0,0,0.6);
    color: var(--white);
    border-radius: 50%;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.img-url-row {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}
.img-url-row input {
    flex: 1;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 12px;
    outline: none;
}
.img-url-row button {
    padding: 9px 16px;
    background: var(--gray-200);
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 500;
    transition: background var(--transition);
}
.img-url-row button:hover { background: var(--border); }

/* Btn guardar en footer del form */
.form-footer {
    background: var(--black);
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    position: sticky;
    bottom: 0;
}
.form-footer .btn-save-main {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    color: var(--black);
    padding: 12px 40px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.06em;
    border-radius: var(--radius);
    transition: opacity var(--transition);
}
.form-footer .btn-save-main:hover { opacity: 0.85; }
.form-footer .btn-save-main:disabled { opacity: 0.5; cursor: not-allowed; }
.form-error {
    font-size: 12px;
    color: #FCA5A5;
    min-height: 18px;
}

/* Panel derecho: preview */
.preview-panel {
    background: var(--cream);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: sticky;
    top: 120px;
    height: fit-content;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

.preview-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--gray-600);
}
.preview-label i { color: var(--gold); }

/* Preview card */
.preview-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.preview-card-img {
    width: 100%;
    aspect-ratio: 1;
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.preview-card-img img {
    width: 100%; height: 100%;
    object-fit: cover;
}
.preview-card-img .placeholder {
    color: var(--gray-400);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 12px;
}
.preview-card-img .placeholder i { font-size: 32px; }
.preview-card-body { padding: 16px; }
.preview-card-familia {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 4px;
}
.preview-card-name {
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--black);
}
.preview-card-badges {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}
.preview-card-meta {
    display: flex;
    gap: 12px;
    font-size: 11px;
    color: var(--gray-400);
    margin-bottom: 8px;
}
.preview-card-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--black);
}
.preview-card-old {
    font-size: 11px;
    color: var(--gray-400);
    text-decoration: line-through;
}

/* Consejos */
.tips-section { margin-top: 8px; }
.tips-title {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.tip-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    color: var(--gray-600);
}
.tip-item:last-child { border-bottom: none; }
.tip-item i { color: var(--gold); margin-top: 1px; flex-shrink: 0; }
.tip-item strong { display: block; color: var(--black); font-weight: 600; margin-bottom: 2px; }

/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */
@media (max-width: 1100px) {
    .form-layout { grid-template-columns: 1fr 320px; }
}
@media (max-width: 900px) {
    .form-layout { grid-template-columns: 1fr; }
    .preview-panel { display: none; }
    .form-row { grid-template-columns: 1fr; }
    .form-row.triple { grid-template-columns: 1fr 1fr; }
    .admin-stats-bar { flex-wrap: wrap; }
}
@media (max-width: 600px) {
    .view-lista,
    .form-panel { padding: 16px; }
    .admin-navbar { padding: 0 16px; }
    .form-row.triple { grid-template-columns: 1fr; }
}