/* ============================================================
   Tienda Top — Design System "Vivir Intensamente"
   ============================================================ */

/* ── Custom properties ───────────────────────────────────── */
:root {
    --tt-primary        : #FF6D00;
    --tt-primary-dark   : #E65100;
    --tt-primary-light  : rgba(255,109,0,.12);
    --tt-secondary      : #7C4DFF;
    --tt-secondary-dark : #651FFF;
    --tt-accent         : #FFD600;
    --tt-success        : #00C853;
    --tt-danger         : #D50000;
    --tt-info           : #0091EA;
    --tt-dark           : #212121;
    --tt-surface        : #FFFFFF;
    --tt-bg             : #F4F6F9;
    --tt-border         : rgba(0,0,0,.08);
    --tt-radius         : 12px;
    --tt-radius-sm      : 8px;
    --tt-shadow         : 0 2px 12px rgba(0,0,0,.08);
    --tt-shadow-lg      : 0 8px 32px rgba(0,0,0,.14);
    --sidebar-width     : 240px;
    --sidebar-collapsed : 64px;
}

/* ── Reset helpers ───────────────────────────────────────── */
body {
    background: var(--tt-bg);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar              { width: 6px; height: 6px; }
::-webkit-scrollbar-track        { background: transparent; }
::-webkit-scrollbar-thumb        { background: rgba(0,0,0,.18); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover  { background: rgba(0,0,0,.30); }

/* ── Sidebar ─────────────────────────────────────────────── */
#sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--tt-dark);
    position: fixed;
    top: 0; left: 0;
    z-index: 1000;
    transition: width .25s ease;
    overflow-x: hidden;
    box-shadow: 2px 0 16px rgba(0,0,0,.18);
}

/* Collapsed state */
#sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

#sidebar .brand {
    padding: 1.1rem 1.25rem;
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(255,255,255,.1);
    white-space: nowrap;
    background: rgba(255,255,255,.04);
    display: flex;
    align-items: center;
    gap: .6rem;
    overflow: hidden;
}

#sidebar .brand i {
    color: var(--tt-primary);
    flex-shrink: 0;
}

#sidebar .brand-text {
    transition: opacity .2s ease, width .2s ease;
    opacity: 1;
}

#sidebar.collapsed .brand-text {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

#sidebar .nav-section {
    color: rgba(255,255,255,.35);
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    padding: 1rem 1.25rem .3rem;
    white-space: nowrap;
    transition: opacity .2s ease;
}

#sidebar.collapsed .nav-section {
    opacity: 0;
}

#sidebar .nav-link {
    color: rgba(255,255,255,.72);
    padding: .58rem 1.25rem;
    display: flex;
    align-items: center;
    gap: .65rem;
    font-size: .9rem;
    white-space: nowrap;
    border-radius: 6px;
    margin: 1px 8px;
    transition: background .15s, color .15s;
    overflow: hidden;
    position: relative;
}

#sidebar .nav-link i {
    flex-shrink: 0;
    width: 16px;
    text-align: center;
}

#sidebar .nav-link span {
    transition: opacity .15s ease;
    opacity: 1;
}

#sidebar.collapsed .nav-link span {
    opacity: 0;
}

#sidebar .nav-link:hover {
    color: #fff;
    background: rgba(255,109,0,.18);
}

#sidebar .nav-link.active {
    color: #fff;
    background: var(--tt-primary);
    box-shadow: 0 2px 8px rgba(255,109,0,.35);
}

/* Tooltip on collapsed sidebar */
#sidebar.collapsed .nav-link {
    justify-content: center;
    padding: .58rem 0;
    margin: 1px 8px;
}

#sidebar.collapsed .nav-link[title]:hover::after {
    content: attr(title);
    position: absolute;
    left: calc(var(--sidebar-collapsed) - 4px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--tt-dark);
    color: #fff;
    padding: .3rem .7rem;
    border-radius: 6px;
    font-size: .82rem;
    white-space: nowrap;
    z-index: 2000;
    box-shadow: var(--tt-shadow);
    border: 1px solid rgba(255,255,255,.1);
    pointer-events: none;
}

/* ── Topbar ──────────────────────────────────────────────── */
#topbar {
    background: var(--tt-primary);
    padding: .65rem 1.4rem;
    position: sticky;
    top: 0;
    z-index: 900;
    box-shadow: 0 2px 8px rgba(255,109,0,.25);
}

#topbar .tt-brand-text {
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
}

#topbar .btn-topbar {
    background: rgba(255,255,255,.18);
    border: none;
    color: #fff;
    border-radius: var(--tt-radius-sm);
    padding: .3rem .75rem;
    font-size: .85rem;
    transition: background .15s;
}

#topbar .btn-topbar:hover {
    background: rgba(255,255,255,.28);
    color: #fff;
}

.topbar-page-title {
    color: rgba(255,255,255,.92);
    font-weight: 600;
    font-size: .9rem;
    letter-spacing: .01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 220px;
}

@media (max-width: 576px) { .topbar-page-title { display: none; } }

#topbar .sucursal-badge {
    background: rgba(255,255,255,.2);
    color: #fff;
    border-radius: 20px;
    padding: .25rem .8rem;
    font-size: .8rem;
    font-weight: 600;
}

/* ── Main wrapper ────────────────────────────────────────── */
#main-wrapper {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left .25s ease;
}

#main-wrapper.sidebar-collapsed {
    margin-left: var(--sidebar-collapsed);
}

main.tt-page {
    padding: 1.6rem 1.8rem;
}

/* ── Cards ───────────────────────────────────────────────── */
.tt-card {
    background: var(--tt-surface);
    border: 1px solid var(--tt-border);
    border-radius: var(--tt-radius);
    box-shadow: var(--tt-shadow);
}

.tt-card .tt-card-header {
    padding: .9rem 1.25rem;
    border-bottom: 1px solid var(--tt-border);
    font-weight: 600;
    font-size: .92rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.tt-card .tt-card-body {
    padding: 1.25rem;
}

/* ── KPI Cards ───────────────────────────────────────────── */
.kpi-card {
    background: var(--tt-surface);
    border: 1px solid var(--tt-border);
    border-radius: var(--tt-radius);
    box-shadow: var(--tt-shadow);
    padding: 1.1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: box-shadow .2s, transform .2s;
}

.kpi-card:hover {
    box-shadow: var(--tt-shadow-lg);
    transform: translateY(-2px);
}

.kpi-card .kpi-icon {
    width: 52px; height: 52px;
    border-radius: var(--tt-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.kpi-card .kpi-label {
    font-size: .77rem;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: .06em;
    font-weight: 600;
}

.kpi-card .kpi-value {
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--tt-dark);
    line-height: 1.2;
}

.kpi-icon.orange  { background: rgba(255,109,0,.12);  color: var(--tt-primary); }
.kpi-icon.violet  { background: rgba(124,77,255,.12); color: var(--tt-secondary); }
.kpi-icon.yellow  { background: rgba(255,214,0,.15);  color: #F9A825; }
.kpi-icon.green   { background: rgba(0,200,83,.12);   color: var(--tt-success); }
.kpi-icon.red     { background: rgba(213,0,0,.10);    color: var(--tt-danger); }
.kpi-icon.blue    { background: rgba(0,145,234,.12);  color: var(--tt-info); }

/* ── Buttons ─────────────────────────────────────────────── */
.btn-primary {
    background: var(--tt-primary) !important;
    border-color: var(--tt-primary) !important;
    color: #fff !important;
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--tt-primary-dark) !important;
    border-color: var(--tt-primary-dark) !important;
    box-shadow: 0 0 0 .2rem rgba(255,109,0,.3) !important;
}

.btn-secondary {
    background: var(--tt-secondary) !important;
    border-color: var(--tt-secondary) !important;
    color: #fff !important;
}
.btn-secondary:hover {
    background: var(--tt-secondary-dark) !important;
    border-color: var(--tt-secondary-dark) !important;
}

.btn-outline-primary {
    border-color: var(--tt-primary) !important;
    color: var(--tt-primary) !important;
}
.btn-outline-primary:hover {
    background: var(--tt-primary) !important;
    color: #fff !important;
}

/* ── POS specific ────────────────────────────────────────── */
.pos-panel {
    background: var(--tt-surface);
    border: 1px solid var(--tt-border);
    border-radius: var(--tt-radius);
    box-shadow: var(--tt-shadow);
    display: flex;
    flex-direction: column;
    height: calc(100vh - 100px);
    overflow: hidden;
}

.pos-panel-header {
    padding: .75rem 1rem;
    border-bottom: 1px solid var(--tt-border);
    background: rgba(255,109,0,.04);
    font-weight: 600;
    font-size: .9rem;
    flex-shrink: 0;
}

.pos-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: .75rem;
}

.pos-total-bar {
    padding: .9rem 1rem;
    border-top: 2px solid var(--tt-border);
    background: #FFFDE7;
    flex-shrink: 0;
}

.pos-total-bar .total-amount {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--tt-dark);
}

.pos-total-bar .total-label {
    font-size: .78rem;
    color: #6c757d;
    text-transform: uppercase;
    font-weight: 600;
}

.cart-item {
    border: 1px solid var(--tt-border);
    border-radius: var(--tt-radius-sm);
    padding: .6rem .75rem;
    margin-bottom: .4rem;
    background: var(--tt-surface);
    transition: border-color .15s;
}

.cart-item:hover {
    border-color: var(--tt-primary);
}

.btn-cobrar {
    background: var(--tt-secondary) !important;
    border-color: var(--tt-secondary) !important;
    color: #fff !important;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: .03em;
    padding: .7rem 1rem;
}
.btn-cobrar:hover {
    background: var(--tt-secondary-dark) !important;
}

.payment-btn {
    border: 2px solid var(--tt-border);
    border-radius: var(--tt-radius-sm);
    background: #fff;
    color: #495057;
    font-weight: 600;
    font-size: .82rem;
    padding: .4rem .75rem;
    cursor: pointer;
    transition: all .15s;
}
.payment-btn.active {
    border-color: var(--tt-primary);
    background: var(--tt-primary-light);
    color: var(--tt-primary);
}

.product-result-card {
    border: 1px solid var(--tt-border);
    border-radius: var(--tt-radius-sm);
    padding: .65rem .8rem;
    cursor: pointer;
    transition: border-color .15s, box-shadow .15s;
    background: #fff;
}
.product-result-card:hover {
    border-color: var(--tt-primary);
    box-shadow: 0 2px 8px rgba(255,109,0,.15);
}

/* ── Tables ──────────────────────────────────────────────── */
.tt-table thead th {
    background: rgba(255,109,0,.06);
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    font-weight: 700;
    color: #495057;
    border-bottom: 2px solid rgba(255,109,0,.2);
}

/* ── Badges ──────────────────────────────────────────────── */
.badge-orange  { background: var(--tt-primary-light); color: var(--tt-primary); border-radius: 6px; }
.badge-violet  { background: rgba(124,77,255,.12);    color: var(--tt-secondary); border-radius: 6px; }

/* ── Forms ───────────────────────────────────────────────── */
.form-control:focus, .form-select:focus {
    border-color: var(--tt-primary);
    box-shadow: 0 0 0 .2rem rgba(255,109,0,.2);
}

/* ── Toast area ──────────────────────────────────────────── */
#toast-area {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    width: 320px;
}

.tt-toast {
    animation: ttSlideIn .25s ease;
    border-radius: var(--tt-radius-sm) !important;
    box-shadow: var(--tt-shadow-lg) !important;
}

@keyframes ttSlideIn {
    from { opacity: 0; transform: translateY(20px) scale(.97); }
    to   { opacity: 1; transform: translateY(0)    scale(1); }
}

/* ── SignalR dot ─────────────────────────────────────────── */
.signalr-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}
.signalr-dot.connected    { background: #00C853; box-shadow: 0 0 4px #00C853; }
.signalr-dot.disconnected { background: #D50000; }
.signalr-dot.reconnecting { background: var(--tt-accent); animation: pulse .8s infinite; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: .4; }
}

/* ── Card hover ──────────────────────────────────────────── */
.card-hover {
    transition: box-shadow .2s, transform .2s;
}
.card-hover:hover {
    box-shadow: var(--tt-shadow-lg) !important;
    transform: translateY(-3px);
}

/* ── Page header ─────────────────────────────────────────── */
.tt-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.tt-page-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--tt-dark);
    margin: 0;
}

.tt-page-title i {
    color: var(--tt-primary);
    margin-right: .4rem;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
    #sidebar { width: 0; }
    #sidebar.collapsed { width: 0; }
    #main-wrapper { margin-left: 0 !important; }
    main.tt-page { padding: 1rem; }
}