/* ============================================
   INVENTAIRE CAVE À VIN - STYLES
   Grand Hôtel des Bains
   ============================================ */

/* ---------- Variables CSS ---------- */
:root {
    /* Couleurs principales - Thème vin */
    --color-primary: #722F37;        /* Bordeaux */
    --color-primary-dark: #5A252C;
    --color-primary-light: #8B3A44;
    
    --color-secondary: #C9A227;      /* Or */
    --color-secondary-dark: #A68620;
    
    /* Couleurs de fond */
    --color-bg-dark: #0F0F1A;
    --color-bg-card: #1A1A2E;
    --color-bg-card-hover: #252540;
    --color-bg-input: #16162A;
    
    /* Couleurs de texte */
    --color-text: #FFFFFF;
    --color-text-muted: #9090A0;
    --color-text-light: #B0B0C0;
    
    /* Couleurs d'état */
    --color-success: #2ECC71;
    --color-warning: #F1C40F;
    --color-danger: #E74C3C;
    --color-info: #3498DB;
    
    /* Couleurs des vins */
    --color-wine-red: #8B0000;
    --color-wine-white: #F5F5DC;
    --color-wine-rose: #FFB6C1;
    --color-wine-sparkling: #FFD700;
    
    /* Typographie */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Espacements */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Rayons */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Ombres */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Z-index */
    --z-header: 100;
    --z-modal: 200;
    --z-toast: 300;
    --z-loader: 400;
}

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

html {
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg-dark);
    color: var(--color-text);
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Empêcher le zoom sur les inputs (iPad) */
input, select, textarea {
    font-size: 16px;
}

/* ---------- Écrans ---------- */
.screen {
    display: none;
    min-height: 100vh;
    min-height: 100dvh;
    flex-direction: column;
}

.screen.active {
    display: flex;
}

/* ---------- ÉCRAN LOGIN ---------- */
#screen-login {
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, #1A1020 50%, var(--color-primary-dark) 100%);
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
}

.login-container {
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-logo {
    margin-bottom: var(--spacing-2xl);
}

.logo-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.login-logo h1 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.login-logo .subtitle {
    color: var(--color-secondary);
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.pin-section {
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.pin-label {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    font-size: 0.95rem;
}

.pin-display {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.pin-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-bg-input);
    border: 2px solid var(--color-text-muted);
    transition: var(--transition-fast);
}

.pin-dot.filled {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    transform: scale(1.1);
}

.pin-error {
    height: 24px;
    color: var(--color-danger);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-md);
}

.pin-pad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    max-width: 280px;
    margin: 0 auto;
}

.pin-key {
    aspect-ratio: 1;
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-bg-input);
    color: var(--color-text);
    font-size: 1.5rem;
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.pin-key:active {
    background: var(--color-primary);
    transform: scale(0.95);
}

.pin-key-empty {
    background: transparent;
    cursor: default;
}

.pin-key-delete {
    font-size: 1.25rem;
}

/* ---------- HEADER ---------- */
.app-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-card);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    min-height: 60px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-small {
    font-size: 1.5rem;
}

.header-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-name {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.btn-logout,
.btn-back {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.btn-logout:hover,
.btn-back:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.1);
}

.btn-save,
.btn-add {
    background: var(--color-primary);
    color: var(--color-text);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-save:hover,
.btn-add:hover {
    background: var(--color-primary-light);
}

/* ---------- DASHBOARD ---------- */
.dashboard-content {
    flex: 1;
    padding: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.welcome-section {
    margin-bottom: var(--spacing-xl);
}

.welcome-section h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.date-display {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Actions Grid */
.actions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.action-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: left;
}

.action-card:hover {
    background: var(--color-bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.action-card.action-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-color: var(--color-primary-light);
}

.action-card.action-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
}

.action-icon {
    font-size: 2rem;
}

.action-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.action-title {
    font-weight: 600;
    font-size: 1rem;
}

.action-subtitle {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.action-primary .action-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.action-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--color-danger);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

/* Stats Section */
.stats-section h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-muted);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* ---------- INVENTAIRE ---------- */
.inventory-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding-bottom: 80px;
}

.search-section {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-card);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    color: var(--color-text-muted);
}

.search-box input {
    width: 100%;
    padding: var(--spacing-md);
    padding-left: 48px;
    padding-right: 40px;
    background: var(--color-bg-input);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 1rem;
    outline: none;
    transition: var(--transition-fast);
}

.search-box input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(114, 47, 55, 0.2);
}

.search-box input::placeholder {
    color: var(--color-text-muted);
}

.btn-clear-search {
    position: absolute;
    right: var(--spacing-sm);
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1rem;
    padding: var(--spacing-sm);
    cursor: pointer;
    opacity: 0;
    transition: var(--transition-fast);
}

.search-box input:not(:placeholder-shown) + .btn-clear-search {
    opacity: 1;
}

/* Filter Chips */
.filter-chips {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    overflow-x: auto;
    padding-bottom: var(--spacing-xs);
    -webkit-overflow-scrolling: touch;
}

.chip {
    flex-shrink: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-input);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.chip:hover {
    background: var(--color-bg-card-hover);
}

.chip.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text);
}

/* Products List */
.products-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md) var(--spacing-lg);
}

.product-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.product-item:hover {
    background: var(--color-bg-card-hover);
}

.product-item.counted {
    border-left: 4px solid var(--color-success);
}

.product-color-indicator {
    width: 8px;
    height: 40px;
    border-radius: 4px;
    flex-shrink: 0;
}

.product-color-indicator.Rouge { background: var(--color-wine-red); }
.product-color-indicator.Blanc { background: var(--color-wine-white); }
.product-color-indicator.Rosé { background: var(--color-wine-rose); }
.product-color-indicator.Pétillant { background: var(--color-wine-sparkling); }

.product-info {
    flex: 1;
    min-width: 0;
}

.product-name {
    font-weight: 500;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-meta {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.product-quantity {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    height: 48px;
    background: var(--color-bg-input);
    border-radius: var(--radius-sm);
    font-weight: 600;
    color: var(--color-text-muted);
}

.product-item.counted .product-quantity {
    background: var(--color-success);
    color: white;
}

/* Inventory Summary Bar */
.inventory-summary {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-card);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.summary-info {
    color: var(--color-text-muted);
}

.summary-count {
    font-size: 0.95rem;
}

#summary-items {
    color: var(--color-secondary);
    font-weight: 600;
}

.btn-view-summary {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-secondary);
    color: var(--color-bg-dark);
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-view-summary:hover {
    background: var(--color-secondary-dark);
}

/* ---------- MODAL ---------- */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    justify-content: center;
    align-items: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-content {
    width: 100%;
    max-width: 400px;
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease;
}

.modal-large {
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.modal-header h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-header p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

.btn-close-modal {
    position: absolute;
    top: 0;
    right: 0;
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--spacing-sm);
}

/* Quantity Input */
.quantity-input-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.qty-btn {
    width: 56px;
    height: 56px;
    border: none;
    border-radius: 50%;
    background: var(--color-bg-input);
    color: var(--color-text);
    font-size: 1.75rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.qty-btn:active {
    background: var(--color-primary);
    transform: scale(0.95);
}

#qty-input {
    width: 100px;
    height: 64px;
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    background: var(--color-bg-input);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text);
    outline: none;
}

#qty-input:focus {
    border-color: var(--color-primary);
}

/* Quick Quantity Buttons */
.quick-qty-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.quick-qty {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-input);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.quick-qty:hover {
    background: var(--color-bg-card-hover);
    color: var(--color-text);
}

/* Notes Section */
.notes-section {
    margin-bottom: var(--spacing-lg);
}

.notes-section label {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
}

.notes-section input {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-bg-input);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 1rem;
    outline: none;
}

.notes-section input:focus {
    border-color: var(--color-primary);
}

/* Modal Actions */
.modal-actions {
    display: flex;
    gap: var(--spacing-md);
}

.btn-primary,
.btn-secondary {
    flex: 1;
    padding: var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-light);
}

.btn-secondary {
    background: var(--color-bg-input);
    color: var(--color-text-muted);
}

.btn-secondary:hover {
    background: var(--color-bg-card-hover);
    color: var(--color-text);
}

/* ---------- PRODUCT FORM ---------- */
.product-form {
    text-align: left;
}

.form-row {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-group {
    flex: 1;
}

.form-group.full {
    flex: 1 1 100%;
}

.form-group label {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--color-bg-input);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 1rem;
    outline: none;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--color-primary);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='%239090A0'%3E%3Cpath d='M6 8L2 4h8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

/* Toggle Switch */
.toggle-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--color-bg-input);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.toggle-label {
    color: var(--color-text);
    font-size: 0.95rem;
}

.toggle {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--color-bg-card);
    border-radius: 28px;
    transition: var(--transition-normal);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background: var(--color-text-muted);
    border-radius: 50%;
    transition: var(--transition-normal);
}

.toggle input:checked + .toggle-slider {
    background: var(--color-success);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(24px);
    background: white;
}

/* Badge "En vente" sur les cartes produits */
.product-card-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
}

.product-card-badge.on-sale {
    background: var(--color-success);
    color: white;
}

.product-card-badge.not-on-sale {
    background: var(--color-text-muted);
    color: var(--color-bg-dark);
}

.product-card {
    position: relative;
}

/* ---------- PRODUCTS GRID ---------- */
.products-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.products-grid {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    align-content: start;
}

.product-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    border-left: 4px solid transparent;
}

.product-card:hover {
    background: var(--color-bg-card-hover);
    transform: translateY(-2px);
}

.product-card.Rouge { border-left-color: var(--color-wine-red); }
.product-card.Blanc { border-left-color: var(--color-wine-white); }
.product-card.Rosé { border-left-color: var(--color-wine-rose); }
.product-card.Pétillant { border-left-color: var(--color-wine-sparkling); }

.product-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.product-card-name {
    font-weight: 600;
    font-size: 1rem;
}

.product-card-vintage {
    color: var(--color-secondary);
    font-weight: 500;
    font-size: 0.9rem;
}

.product-card-details {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
}

.product-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.product-card-price {
    color: var(--color-secondary);
    font-weight: 600;
}

.product-card-region {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

/* ---------- HISTORY ---------- */
.history-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.history-item {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.history-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.history-date {
    font-weight: 600;
}

.history-employee {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.history-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.history-stat {
    text-align: center;
}

.history-stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-secondary);
}

.history-stat-label {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

/* ---------- TOAST ---------- */
#toast-container {
    position: fixed;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: toastSlideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.toast.success {
    border-left: 4px solid var(--color-success);
}

.toast.error {
    border-left: 4px solid var(--color-danger);
}

.toast.warning {
    border-left: 4px solid var(--color-warning);
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- LOADER ---------- */
.loader-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: var(--z-loader);
    background: rgba(0, 0, 0, 0.7);
    justify-content: center;
    align-items: center;
}

.loader-overlay.active {
    display: flex;
}

.loader-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-bg-card);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---------- EMPTY STATE ---------- */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state-text {
    font-size: 1rem;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 600px) {
    .actions-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}

/* iPad optimisations */
@media (min-width: 768px) {
    .login-container {
        max-width: 450px;
    }
    
    .pin-key {
        font-size: 1.75rem;
    }
    
    .dashboard-content {
        padding: var(--spacing-xl);
    }
    
    .action-card {
        flex-direction: row;
        align-items: center;
    }
    
    .modal-content {
        padding: var(--spacing-2xl);
    }
}