@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette - Premium Light Theme */
    --bg-main: #f4f6f9;
    --bg-card: rgba(255, 255, 255, 0.85);
    --primary: #1a73e8;
    --primary-hover: #1557b0;
    --secondary: #e8eaed;
    --text-main: #202124;
    --text-muted: #5f6368;
    --border: rgba(0,0,0,0.08);
    --danger: #ea4335;
    --success: #34a853;
    
    /* Branding Unik */
    --unik-cyan: #00b4eb;
    --unik-magenta: #e4007f;
    --unik-yellow: #ffde00;
    --unik-black: #000000;

    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 24px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-sm: 6px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #f4f6f9 0%, #e0e6ed 100%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Glassmorphism utilities */
.glass {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.4);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius);
}

/* Header */
.pos-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    margin: 1rem;
    border-bottom: 3px solid transparent;
    border-image: linear-gradient(to right, var(--unik-cyan), var(--unik-magenta), var(--unik-yellow)) 1;
}

.logo-container img {
    height: 60px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo-container img:hover {
    transform: scale(1.05);
}

.header-info {
    text-align: right;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.header-info h1 {
    font-size: 1.5rem;
    color: var(--text-main);
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 0.2rem;
}

/* Main Layout */
.pos-container {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 1.5rem;
    padding: 0 1rem 1rem;
    flex: 1;
}

/* Left Panel (Table) */
.main-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.client-section {
    padding: 1rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    flex: 1;
}

.input-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-control {
    padding: 0.6rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    background: white;
    transition: var(--transition);
}

.input-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.2);
}

.table-container {
    flex: 1;
    overflow: visible; /* For autocomplete dropdown */
    padding: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 1rem;
    background: rgba(0,0,0,0.02);
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    border-bottom: 2px solid var(--border);
}

td {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border);
    position: relative;
}

.td-input {
    width: 100%;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-main);
    padding: 0.4rem;
    border-radius: 4px;
    transition: var(--transition);
}

.td-input:focus {
    outline: none;
    background: rgba(26, 115, 232, 0.05);
}

.td-input.right { text-align: right; }
.td-input.center { text-align: center; }

/* Ocultar las flechas de incremento/decremento en inputs numéricos */
input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button { 
  -webkit-appearance: none; 
  margin: 0; 
}
input[type=number] {
  -moz-appearance: textfield;
}

/* Autocomplete Suggestion Box */
.autocomplete-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    min-width: 300px;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-height: 250px;
    overflow-y: auto;
    display: none;
}

.autocomplete-suggestion {
    padding: 0.8rem 1rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s;
    display: flex;
    justify-content: space-between;
}

.autocomplete-suggestion:last-child { border-bottom: none; }
.autocomplete-suggestion:hover { background: var(--secondary); }

/* Right Panel (Sidebar) */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.actions-panel {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.actions-panel .btn {
    width: 100%;
    justify-content: center;
}

.btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: white;
    width: auto;
}

.btn:active { transform: scale(0.98); }

.btn-primary { background: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3); }

.btn-unik { 
    background: linear-gradient(45deg, var(--unik-magenta), var(--unik-cyan)); 
    box-shadow: 0 4px 15px rgba(228, 0, 127, 0.3);
}
.btn-unik:hover { 
    transform: translateY(-2px); 
    box-shadow: 0 6px 20px rgba(228, 0, 127, 0.4); 
}

.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #d33426; box-shadow: 0 4px 12px rgba(234, 67, 53, 0.3); transform: translateY(-2px); }

.btn-success { background: var(--success); }
.btn-success:hover { background: #2d9448; box-shadow: 0 4px 12px rgba(52, 168, 83, 0.3); transform: translateY(-2px); }

.btn-secondary { background: var(--secondary); color: var(--text-main); }
.btn-secondary:hover { background: #dce0e4; }

.totals-panel {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.total-row {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0;
    border-bottom: 1px dashed var(--border);
    font-size: 0.95rem;
    color: var(--text-muted);
}
.total-row:last-child { border-bottom: none; }

.total-row.grand-total {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    padding-top: 1rem;
    border-top: 2px solid var(--border);
    margin-top: 0.5rem;
}

/* Modals / Forms */
.form-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2.5rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Animations */
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.animate-fade-in { animation: fadeIn 0.4s ease forwards; }

.row-delete-btn {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.2rem;
    transition: transform 0.2s;
}
.row-delete-btn:hover { transform: scale(1.2); }

/* ── Columnas Alto / Ancho en la tabla POS ─────────────────────────────── */
/* Cabeceras más compactas para las celdas de dimensión */
#pos-table th.dim-col {
    width: 80px;
    text-align: center;
    font-size: 0.75rem;
    color: #1a73e8;
    background: #f0f4ff;
}

/* Input habilitado en modo metros */
.td-input.alto:not(:disabled),
.td-input.ancho:not(:disabled) {
    background: #e8f0fe !important;
    color: #1a73e8 !important;
    font-weight: 600;
    border-radius: 4px;
    cursor: text !important;
    border: 1.5px solid #aecbfa;
}

.td-input.alto:not(:disabled):focus,
.td-input.ancho:not(:disabled):focus {
    background: #d2e3fc !important;
    outline: none;
    box-shadow: 0 0 0 2px rgba(26,115,232,0.25);
}

/* Cantidad bloqueada cuando el producto es por metros */
.td-input.qty[readonly] {
    background: #f1f3f4 !important;
    color: #5f6368 !important;
    cursor: not-allowed !important;
    font-style: italic;
}