/* ============================================
   APLIKASI KASIR MODERN - CSS UTAMA
   ============================================ */

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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #1e293b;
    --gray: #64748b;
    --light: #f1f5f9;
    --white: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-sm: 8px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--light);
    color: var(--dark);
}

/* ============================================
   LOGIN PAGE MODERN
   ============================================ */
.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container-modern {
    width: 100%;
    max-width: 1200px;
    padding: 20px;
}

.login-card-modern {
    display: flex;
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.login-left-modern {
    flex: 1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 48px;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-brand-modern {
    text-align: center;
    margin-bottom: 48px;
}

.logo-icon {
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.logo-icon i {
    font-size: 40px;
}

.login-brand-modern h1 {
    font-size: 28px;
    margin-bottom: 8px;
}

.login-brand-modern p {
    opacity: 0.8;
    font-size: 14px;
}

.login-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 16px;
}

.feature i {
    font-size: 24px;
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature h4 {
    font-size: 16px;
    margin-bottom: 4px;
}

.feature p {
    font-size: 12px;
    opacity: 0.7;
}

.login-right-modern {
    flex: 1;
    padding: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-form-modern {
    width: 100%;
    max-width: 320px;
}

.login-form-modern h2 {
    font-size: 28px;
    margin-bottom: 8px;
    color: var(--dark);
}

.login-form-modern > p {
    color: var(--gray);
    margin-bottom: 32px;
}

.input-group-modern {
    position: relative;
    margin-bottom: 20px;
}

.input-group-modern i:first-child {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
}

.input-group-modern input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: all 0.3s;
    font-family: 'Inter', sans-serif;
}

.input-group-modern input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.toggle-password {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--gray);
}

.btn-login-modern {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s;
    margin-top: 24px;
}

.btn-login-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99,102,241,0.3);
}

.login-footer-modern {
    text-align: center;
    margin-top: 48px;
    color: var(--gray);
    font-size: 12px;
}

/* ============================================
   DASHBOARD & SIDEBAR MODERN
   ============================================ */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar-modern {
    width: 280px;
    background: var(--dark);
    color: white;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
}

.logo i {
    font-size: 28px;
    color: var(--primary);
}

.sidebar-nav {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all 0.3s;
}

.nav-item i {
    width: 20px;
    font-size: 18px;
}

.nav-item:hover {
    background: rgba(255,255,255,0.1);
    color: white;
}

.nav-item.active {
    background: var(--primary);
    color: white;
}

.sidebar-footer {
    padding: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.user-info i {
    font-size: 40px;
    color: var(--primary);
}

.user-info p {
    font-weight: 600;
    margin-bottom: 2px;
}

.user-info small {
    font-size: 11px;
    opacity: 0.6;
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(239,68,68,0.2);
    color: var(--danger);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: all 0.3s;
}

.logout-btn:hover {
    background: var(--danger);
    color: white;
}

/* Main Content */
.main-content-modern {
    flex: 1;
    margin-left: 280px;
    padding: 24px;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.page-title h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.page-title p {
    color: var(--gray);
}

.date-time {
    padding: 10px 20px;
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    font-size: 14px;
}

.date-time i {
    margin-right: 8px;
    color: var(--primary);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon i {
    font-size: 28px;
    color: white;
}

.stat-info h3 {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 8px;
}

.stat-number {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
}

/* Table Modern */
.table-container {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.data-table-modern {
    width: 100%;
    border-collapse: collapse;
}

.data-table-modern thead tr {
    background: var(--light);
}

.data-table-modern th {
    padding: 16px;
    text-align: left;
    font-weight: 600;
    font-size: 14px;
    color: var(--dark);
}

.data-table-modern td {
    padding: 16px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.data-table-modern tbody tr:hover {
    background: var(--light);
}

.badge {
    background: var(--light);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-warning {
    background: #fef3c7;
    color: var(--warning);
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 11px;
    margin-left: 8px;
}

.text-danger {
    color: var(--danger);
    font-weight: 600;
}

.action-buttons {
    display: flex;
    gap: 8px;
}

.btn-edit, .btn-delete {
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 12px;
    transition: all 0.3s;
}

.btn-edit {
    background: #fef3c7;
    color: var(--warning);
}

.btn-edit:hover {
    background: var(--warning);
    color: white;
}

.btn-delete {
    background: #fee2e2;
    color: var(--danger);
}

.btn-delete:hover {
    background: var(--danger);
    color: white;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(99,102,241,0.3);
}

/* Alert */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--success);
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--danger);
}

/* Form */
.form-container-modern {
    max-width: 600px;
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.form-group-modern {
    margin-bottom: 24px;
}

.form-group-modern label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
}

.form-group-modern input,
.form-group-modern select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    transition: all 0.3s;
}

.form-group-modern input:focus,
.form-group-modern select:focus {
    outline: none;
    border-color: var(--primary);
}

/* Transaksi Page */
.transaksi-container-modern {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 24px;
}

.produk-section, .keranjang-section {
    background: var(--white);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border);
}

.section-header h3 {
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-input {
    padding: 8px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    width: 200px;
}

.produk-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
    max-height: 500px;
    overflow-y: auto;
}

.produk-card {
    display: flex;
    gap: 12px;
    padding: 12px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s;
}

.produk-card:hover {
    border-color: var(--primary);
    background: var(--light);
    transform: translateY(-2px);
}

.produk-icon i {
    font-size: 32px;
    color: var(--primary);
}

.produk-info h4 {
    font-size: 14px;
    margin-bottom: 4px;
}

.price {
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
}

.stok {
    font-size: 12px;
    color: var(--gray);
}

.cart-items {
    min-height: 300px;
    max-height: 400px;
    overflow-y: auto;
}

.empty-cart {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray);
}

.empty-cart i {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.cart-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--light);
    border-radius: var(--radius-sm);
}

.cart-item-info h4 {
    font-size: 14px;
    margin-bottom: 4px;
}

.cart-item-info p {
    font-size: 12px;
    color: var(--gray);
}

.cart-item-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.cart-item-actions input {
    width: 60px;
    padding: 6px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-align: center;
}

.subtotal {
    font-weight: 600;
    font-size: 14px;
    min-width: 80px;
    text-align: right;
}

.remove-item {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 16px;
}

.cart-summary {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 2px solid var(--border);
}

.total-row {
    display: flex;
    justify-content: space-between;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.payment-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.payment-row label {
    font-weight: 500;
}

.payment-row input {
    width: 150px;
    padding: 10px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.kembali-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--success);
}

.btn-submit-modern {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
    transition: all 0.3s;
}

.btn-submit-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(16,185,129,0.3);
}

/* Responsive */
@media (max-width: 1024px) {
    .transaksi-container-modern {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .sidebar-modern {
        width: 80px;
    }
    
    .sidebar-modern .logo span,
    .sidebar-modern .nav-item span,
    .sidebar-modern .user-info div,
    .sidebar-modern .logout-btn span {
        display: none;
    }
    
    .sidebar-modern .nav-item {
        justify-content: center;
    }
    
    .main-content-modern {
        margin-left: 80px;
    }
    
    .login-card-modern {
        flex-direction: column;
    }
    
    .login-left-modern {
        display: none;
    }
}
/* ============================================
   FITUR SIDEBAR TOGGLE & POS LAYOUT
   ============================================ */

/* Transisi Sidebar */
.sidebar-modern {
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Keadaan Sidebar saat Ciut (.collapsed) */
.sidebar-modern.collapsed {
    width: 80px;
}

.sidebar-modern.collapsed .logo span,
.sidebar-modern.collapsed .nav-item span,
.sidebar-modern.collapsed .user-info div,
.sidebar-modern.collapsed .logout-btn span {
    display: none;
}

.sidebar-modern.collapsed .nav-item {
    justify-content: center;
    padding: 12px;
}

.sidebar-modern.collapsed .nav-item i {
    margin: 0;
    font-size: 20px;
}

/* Penyesuaian Main Content saat Sidebar Ciut */
.main-content-modern {
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-content-modern.expanded {
    margin-left: 80px;
}

/* Tombol Toggle di Header Sidebar */
.toggle-sidebar-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s;
}

.toggle-sidebar-btn:hover {
    background: var(--primary);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Styling Tambahan untuk Area Transaksi Sat-Set */
.total-big {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary);
    background: var(--white);
    padding: 10px 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.scanner-area {
    background: var(--dark);
    padding: 15px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.scanner-area input {
    flex: 1;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    padding: 12px;
    font-size: 18px;
    border-radius: var(--radius-sm);
}

.scanner-area input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255,255,255,0.15);
}