/* ===========================================
   ADMIN PANEL — SYSCOR DIAMANTINA
   Premium Dark Theme — Fase 4A
   =========================================== */

/* ── Reset & Base ── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #0a0e1a;
    --bg-card: rgba(15, 23, 42, 0.85);
    --bg-card-hover: rgba(20, 30, 55, 0.95);
    --bg-input: rgba(15, 23, 42, 0.6);
    --border: rgba(56, 189, 248, 0.15);
    --border-active: rgba(56, 189, 248, 0.5);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.25);
    --success: #34d399;
    --success-bg: rgba(52, 211, 153, 0.12);
    --warning: #fbbf24;
    --warning-bg: rgba(251, 191, 36, 0.12);
    --danger: #f87171;
    --danger-bg: rgba(248, 113, 113, 0.12);
    --font: 'Inter', -apple-system, sans-serif;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    background-image:
        radial-gradient(ellipse at 20% 0%, rgba(56, 189, 248, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 100%, rgba(99, 102, 241, 0.06) 0%, transparent 60%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

/* ── HEADER ── */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 32px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-header h1 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--accent);
}

.admin-header .subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.header-nav {
    display: flex;
    gap: 10px;
}

.nav-btn {
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
}

.nav-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-glow);
}

.nav-primary {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(99, 102, 241, 0.15));
    color: var(--accent);
    border-color: var(--border-active);
}

/* ── TABS ── */
.tabs-container {
    display: flex;
    gap: 4px;
    padding: 16px 32px 0;
    background: transparent;
}

.tab {
    padding: 12px 28px;
    border: 1px solid transparent;
    border-bottom: none;
    border-radius: var(--radius) var(--radius) 0 0;
    background: rgba(15, 23, 42, 0.4);
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    font-family: var(--font);
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.3px;
}

.tab:hover {
    color: var(--text-primary);
    background: rgba(15, 23, 42, 0.6);
}

.tab.active {
    background: var(--bg-card);
    color: var(--accent);
    border-color: var(--border);
    font-weight: 600;
    box-shadow: 0 -2px 8px var(--accent-glow);
}

/* ── TAB PANELS ── */
.tab-panel {
    display: none;
    padding: 24px 32px 40px;
    animation: fadeSlideIn 0.35s ease-out;
}

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

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.panel-header h2 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

.btn-add {
    padding: 10px 22px;
    background: linear-gradient(135deg, #38bdf8, #6366f1);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.3px;
}

.btn-add:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
}

/* ── FILTER BAR ── */
.filter-bar {
    margin-bottom: 16px;
    padding: 12px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.filter-bar label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-bar select {
    padding: 6px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.85rem;
}

/* ── TABLES ── */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-card);
    backdrop-filter: blur(8px);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

thead {
    background: rgba(56, 189, 248, 0.06);
    position: sticky;
    top: 0;
    z-index: 2;
}

th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.8px;
    border-bottom: 1px solid var(--border-active);
    white-space: nowrap;
}

td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    vertical-align: middle;
}

tr {
    transition: var(--transition);
}

tbody tr:hover {
    background: rgba(56, 189, 248, 0.04);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-success {
    background: var(--success-bg);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.badge-danger {
    background: var(--danger-bg);
    color: var(--danger);
}

.badge-info {
    background: var(--accent-glow);
    color: var(--accent);
}

.badge-nq {
    background: rgba(56, 189, 248, 0.12);
    color: #38bdf8;
}

.badge-hq {
    background: rgba(168, 85, 247, 0.12);
    color: #a855f7;
}

.badge-bq {
    background: rgba(251, 191, 36, 0.12);
    color: #fbbf24;
}

.badge-pq {
    background: rgba(52, 211, 153, 0.12);
    color: #34d399;
}

.price {
    color: var(--success);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.vida-util {
    color: var(--warning);
    font-weight: 500;
}

/* ── ACTION BUTTONS ── */
.actions {
    display: flex;
    gap: 6px;
}

.btn-edit,
.btn-delete {
    padding: 5px 12px;
    border: 1px solid;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    font-family: var(--font);
    transition: var(--transition);
}

.btn-edit {
    background: rgba(56, 189, 248, 0.08);
    border-color: rgba(56, 189, 248, 0.25);
    color: var(--accent);
}

.btn-edit:hover {
    background: rgba(56, 189, 248, 0.2);
}

.btn-delete {
    background: rgba(248, 113, 113, 0.08);
    border-color: rgba(248, 113, 113, 0.25);
    color: var(--danger);
}

.btn-delete:hover {
    background: rgba(248, 113, 113, 0.2);
}

/* ── FORM OVERLAY ── */
.form-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.form-card {
    background: #0f172a;
    border: 1px solid var(--border-active);
    border-radius: var(--radius);
    padding: 28px 32px;
    width: 92%;
    max-width: 860px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5), 0 0 40px var(--accent-glow);
    animation: slideUp 0.3s ease-out;
}

/* Scrollbar estilizado para modales */
.form-card::-webkit-scrollbar {
    width: 6px;
}

.form-card::-webkit-scrollbar-track {
    background: transparent;
}

.form-card::-webkit-scrollbar-thumb {
    background: var(--border-active);
    border-radius: 3px;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.form-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent);
}

.btn-close {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

.btn-close:hover {
    color: var(--danger);
    border-color: var(--danger);
}

.form-grid {
    display: grid;
    gap: 14px;
    margin-bottom: 14px;
}

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

.form-grid-3 {
    grid-template-columns: 1fr 1fr 1fr;
}

.form-card label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.full-width {
    grid-column: 1 / -1;
}

.form-card input,
.form-card textarea,
.form-card select {
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.88rem;
    transition: var(--transition);
}

.form-card input:focus,
.form-card textarea:focus,
.form-card select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-card textarea {
    resize: vertical;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.btn-cancel {
    padding: 10px 22px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font);
    font-size: 0.85rem;
    transition: var(--transition);
}

.btn-cancel:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
}

.btn-save {
    padding: 10px 28px;
    background: linear-gradient(135deg, #38bdf8, #6366f1);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font);
    font-size: 0.88rem;
    font-weight: 600;
    transition: var(--transition);
}

.btn-save:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(56, 189, 248, 0.35);
}

/* ── TOAST a través de Sileo ── */

/* ── FOOTER ── */
.admin-footer {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: 0.75rem;
    border-top: 1px solid var(--border);
    margin-top: 40px;
}

/* ── EMPTY STATE ── */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.empty-state .icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
    .admin-header {
        flex-direction: column;
        gap: 12px;
        padding: 16px;
    }

    .tabs-container {
        padding: 12px 16px 0;
        overflow-x: auto;
    }

    .tab {
        padding: 10px 16px;
        font-size: 0.8rem;
        white-space: nowrap;
    }

    .tab-panel {
        padding: 16px;
    }

    .panel-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .form-grid-2,
    .form-grid-3 {
        grid-template-columns: 1fr;
    }

    .form-card {
        padding: 20px;
        width: 95%;
    }

    th,
    td {
        padding: 8px 10px;
        font-size: 0.78rem;
    }
}

@media (min-width: 769px) and (max-width: 900px) {
    .form-grid-3 {
        grid-template-columns: 1fr 1fr;
    }
}