/* Core Styling & Custom Properties */
:root {
    --bg-primary: #0f172a;
    --bg-secondary: rgba(30, 41, 59, 0.7);
    --bg-card: rgba(15, 23, 42, 0.4);
    --bg-sidebar: rgba(15, 23, 42, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(99, 102, 241, 0.15);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --color-primary: #6366f1; /* Indigo */
    --color-primary-hover: #4f46e5;
    --color-secondary: #0ea5e9; /* Sky */
    --color-success: #10b981; /* Emerald */
    --color-success-hover: #059669;
    --color-danger: #ef4444; /* Rose */
    --color-warning: #f59e0b; /* Amber */
    --color-info: #8b5cf6; /* Violet */
    
    --glass-blur: blur(12px);
    --transition-speed: 0.3s;
    --font-thai: 'Sarabun', sans-serif;
    --font-en: 'Outfit', sans-serif;
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --input-bg: rgba(15, 23, 42, 0.5);
}

/* Light Theme Variables */
[data-theme="light"] {
    --bg-primary: #f1f5f9;
    --bg-secondary: rgba(255, 255, 255, 0.8);
    --bg-card: rgba(255, 255, 255, 0.65);
    --bg-sidebar: rgba(248, 250, 252, 0.8);
    --border-color: rgba(0, 0, 0, 0.06);
    --border-glow: rgba(99, 102, 241, 0.1);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --card-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
    --input-bg: rgba(255, 255, 255, 0.9);
}

/* Global Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-thai);
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color var(--transition-speed), color var(--transition-speed);
    /* Vibrant ambient background decorations */
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(14, 165, 233, 0.05) 0%, transparent 40%);
    background-attachment: fixed;
}

/* Main Layout Structure */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Layout */
.sidebar {
    width: 280px;
    background-color: var(--bg-sidebar);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-right: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: background-color var(--transition-speed);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 3rem;
}

.brand-icon {
    font-size: 1.8rem;
    color: var(--color-primary);
    text-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

.sidebar-brand h2 {
    font-family: var(--font-thai);
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-grow: 1;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 18px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.menu-item i {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.menu-item:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color);
}

.menu-item.active {
    color: #fff;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.sidebar-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.app-version {
    font-family: var(--font-en);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 10px;
}

/* Main Content Layout */
.main-content {
    margin-left: 280px;
    flex-grow: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Topbar Styling */
.topbar {
    height: 70px;
    background-color: var(--bg-secondary);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 90;
    transition: background-color var(--transition-speed);
}

.topbar-search {
    position: relative;
    width: 350px;
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.topbar-search input {
    width: 100%;
    padding: 10px 15px 10px 42px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background-color: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.2s ease;
}

.topbar-search input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 10px var(--border-glow);
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn-theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all 0.2s ease;
    background-color: var(--input-bg);
}

.btn-theme-toggle:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.profile-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-name {
    font-size: 0.9rem;
    font-weight: 500;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
}

/* Content Body */
.content-body {
    padding: 2rem;
    flex-grow: 1;
}

/* Tab Panels */
.tab-panel {
    display: none;
    animation: fadeIn 0.4s ease;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Headers */
.panel-header {
    margin-bottom: 2rem;
}

.panel-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 5px;
}

.panel-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.panel-header-with-summary {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 15px;
}

.panel-header-with-summary .panel-header {
    margin-bottom: 0;
}

.summary-container-topright {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.summary-box-topright {
    background-color: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 12px 24px;
    text-align: right;
    box-shadow: var(--card-shadow);
}

.summary-box-topright .label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.summary-box-topright .value {
    font-family: var(--font-en);
    font-size: 1.8rem;
    font-weight: 700;
}

/* Metrics Grid (Dashboard) */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.metric-card {
    background-color: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.metric-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
}

.metric-info h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 8px;
}

.metric-value {
    font-family: var(--font-en);
    font-size: 2rem;
    font-weight: 700;
}

.metric-icon {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* Card Icons */
.metric-card.balance .metric-icon {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
}
.metric-card.income .metric-icon {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}
.metric-card.expense .metric-icon {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 1024px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    background-color: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
}

.chart-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.chart-container {
    position: relative;
    height: 320px;
    width: 100%;
}

/* Lists Grid */
.dashboard-lists-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .dashboard-lists-grid {
        grid-template-columns: 1fr;
    }
}

.list-card {
    background-color: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
}

.card-title-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-title-bar h3 {
    font-size: 1rem;
    font-weight: 600;
}

.view-all-link {
    font-size: 0.85rem;
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.view-all-link:hover {
    color: var(--color-secondary);
    text-decoration: underline;
}

/* Split Layout for Subpages */
.split-layout {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 1024px) {
    .split-layout {
        grid-template-columns: 1fr;
    }
}

/* Forms Customization */
.form-card {
    background-color: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
}

.form-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.premium-form .form-group {
    margin-bottom: 1.2rem;
}

.premium-form label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

.premium-form input[type="text"],
.premium-form input[type="number"],
.premium-form input[type="date"],
.premium-form select,
.premium-form textarea {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background-color: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: all 0.2s ease;
    resize: none;
}

.premium-form input:focus,
.premium-form select:focus,
.premium-form textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 10px var(--border-glow);
}

.form-row {
    display: flex;
    gap: 10px;
}

.col-6 {
    width: 50%;
}

/* Tables Customization */
.table-card {
    background-color: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
}

.table-filters {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 10px;
}

.table-filters h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.filter-controls select {
    padding: 8px 12px;
    border-radius: 8px;
    background-color: var(--input-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    outline: none;
    font-size: 0.85rem;
}

.table-responsive {
    overflow-x: auto;
    width: 100%;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

th {
    color: var(--text-secondary);
    font-weight: 600;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Slimmer table for dashboard */
.table-sm th, .table-sm td {
    padding: 8px 12px;
    font-size: 0.85rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    border: none;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
    border-radius: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success), #059669);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.25);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-danger-sm {
    background: none;
    border: none;
    color: var(--color-danger);
    cursor: pointer;
    font-size: 1rem;
    padding: 6px;
    border-radius: 6px;
    transition: all 0.15s ease;
}

.btn-danger-sm:hover {
    background-color: rgba(239, 68, 68, 0.1);
}

.w-100 { width: 100%; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.text-success { color: var(--color-success) !important; }
.text-danger { color: var(--color-danger) !important; }
.text-primary { color: var(--color-primary) !important; }
.text-center { text-align: center; }

/* Badges / Pill Tags */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-expense-cat {
    background-color: rgba(99, 102, 241, 0.12);
    color: #a5b4fc;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.badge-progress-1 { /* ออกแบบแล้ว */
    background-color: rgba(139, 92, 246, 0.15);
    color: #c084fc;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-progress-2 { /* ผลิตแล้ว */
    background-color: rgba(245, 158, 11, 0.15);
    color: #fcd34d;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-progress-3 { /* จัดส่งแล้ว */
    background-color: rgba(14, 165, 233, 0.15);
    color: #38bdf8;
    border: 1px solid rgba(14, 165, 233, 0.3);
}

.badge-paid {
    background-color: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-unpaid {
    background-color: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Edit/Toggle inline buttons */
.badge-interactive {
    cursor: pointer;
    transition: all 0.2s ease;
}

.badge-interactive:hover {
    transform: scale(1.05);
    filter: brightness(1.2);
}

/* Stock Accordion for adding products */
.add-stock-wrapper {
    background-color: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.accordion-header {
    padding: 1.2rem 1.5rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.accordion-header:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.accordion-header .arrow-icon {
    transition: transform 0.3s ease;
}

.accordion-header.active .arrow-icon {
    transform: rotate(180deg);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
}

.accordion-body.show {
    max-height: 2000px;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
}

.grid-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 768px) {
    .grid-form {
        grid-template-columns: 1fr;
    }
}

.image-upload-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.file-name-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 150px;
}

.price-calculations-preview {
    background-color: rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    padding: 12px;
    border: 1px dashed var(--border-color);
}

.preview-title {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 6px;
}

.calc-grid {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.85rem;
}

.calc-grid strong {
    font-family: var(--font-en);
    color: var(--color-secondary);
}

/* Products Grid Display */
.stock-actions-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.stock-actions-bar h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.stock-actions-bar .search-box input {
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.85rem;
    outline: none;
    width: 250px;
}

.stock-actions-bar .search-box input:focus {
    border-color: var(--color-primary);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 1.5rem;
}

/* Product Card Design */
.product-card {
    background-color: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    border-color: rgba(14, 165, 233, 0.3);
}

.product-image-container {
    height: 180px;
    width: 100%;
    position: relative;
    background-color: rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.product-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-no-image {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    gap: 10px;
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.5), rgba(15, 23, 42, 0.8));
}

.product-no-image i {
    font-size: 2.5rem;
    color: var(--text-muted);
}

.product-code-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: rgba(15, 23, 42, 0.75);
    backdrop-filter: var(--glass-blur);
    padding: 4px 8px;
    border-radius: 6px;
    font-family: var(--font-en);
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-card-edit {
    position: absolute;
    top: 12px;
    right: 12px;
    background-color: rgba(15, 23, 42, 0.75);
    backdrop-filter: var(--glass-blur);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.btn-card-edit:hover {
    background-color: var(--color-primary);
    transform: scale(1.1);
}

.product-body {
    padding: 1.25rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.product-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}

/* Pricing Grid in Card */
.product-pricing-info {
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    padding: 10px;
    margin-bottom: 12px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}

.price-item {
    display: flex;
    flex-direction: column;
}

.price-item span {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-bottom: 2px;
}

.price-item strong {
    font-family: var(--font-en);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.price-item.highlight strong {
    color: var(--color-warning);
    font-size: 1.05rem;
}

.price-span-all {
    grid-column: span 2;
    border-top: 1px solid var(--border-color);
    padding-top: 6px;
    margin-top: 2px;
}

/* Stocks Control Buttons */
.stock-control-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 12px;
}

.stock-control-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 6px;
}

.stock-control-box span {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.stock-counter {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-counter {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 26px;
    height: 26px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: 700;
    transition: all 0.1s ease;
}

.btn-counter:hover {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.stock-value {
    font-family: var(--font-en);
    font-weight: 700;
    font-size: 1rem;
    min-width: 20px;
    text-align: center;
}

.product-footer {
    display: flex;
    justify-content: flex-end;
    border-top: 1px solid var(--border-color);
    padding-top: 8px;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    font-size: 1.3rem;
    font-weight: 700;
}

.close-modal {
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.close-modal:hover {
    color: var(--text-primary);
}

/* Long Term Payments Styling */
.contract-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: border-color var(--transition-speed);
}

.contract-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
}

.contract-card-header {
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.01);
    transition: background-color var(--transition-speed);
}

.contract-card-header:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.contract-header-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contract-header-left h4 {
    font-size: 1.05rem;
    font-weight: 600;
}

.contract-header-left span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.contract-header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contract-status-summary {
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contract-status-summary .ratio {
    font-size: 0.85rem;
    font-weight: 500;
}

.contract-status-summary .total {
    font-family: var(--font-en);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-secondary);
}

.contract-card-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
}

.contract-card.active .contract-card-body {
    max-height: 1500px;
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
}

.contract-card.active .arrow-icon {
    transform: rotate(180deg);
}

.installments-table {
    width: 100%;
    margin-top: 0.5rem;
}

.btn-delete-contract {
    background: none;
    border: none;
    color: var(--color-danger);
    cursor: pointer;
    font-size: 1rem;
    padding: 6px;
    border-radius: 6px;
    transition: all 0.15s ease;
    margin-left: 10px;
}

.btn-delete-contract:hover {
    background-color: rgba(239, 68, 68, 0.1);
}

/* Pricing Plans Styling */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    align-items: stretch;
}

.pricing-card {
    background-color: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-speed), border-color var(--transition-speed);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-primary);
}

.pricing-card.popular {
    border: 2px solid var(--color-primary);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.15);
}

.popular-tag {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
}

.plan-header {
    text-align: center;
    margin-bottom: 2rem;
}

.plan-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.plan-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.plan-price {
    font-family: var(--font-en);
    font-size: 2.5rem;
    font-weight: 700;
    margin-top: 1.5rem;
    color: var(--text-primary);
}

.plan-price span.price-period {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 400;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.9rem;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.plan-features li i {
    font-size: 1.05rem;
}

.plan-features li.disabled {
    color: var(--text-muted);
    opacity: 0.5;
}

.plan-footer {
    margin-top: auto;
}

/* Login Screen Overlay Styling */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-primary);
    background-image: 
        radial-gradient(circle at 20% 25%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 80% 75%, rgba(14, 165, 233, 0.12) 0%, transparent 40%);
    backdrop-filter: blur(20px);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

/* Hide login overlay when user is logged in */
body.logged-in .login-overlay {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.login-card {
    background-color: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 28px;
    padding: 3rem 2.5rem;
    width: 90%;
    max-width: 420px;
    box-shadow: var(--card-shadow);
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.login-header {
    margin-bottom: 2.2rem;
}

.login-brand-icon {
    font-size: 3.2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    text-shadow: 0 0 15px rgba(99, 102, 241, 0.6);
}

.login-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Sidebar Role Access Control Rules */
/* Hidden elements depending on role, managed by class body.role-staff / body.role-admin */
body.role-staff .admin-only {
    display: none !important;
}

/* Responsive Overrides */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 1.5rem;
    }
    
    .app-container {
        flex-direction: column;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .topbar {
        padding: 0 1.5rem;
    }
    
    .topbar-search {
        width: 180px;
    }
    
    .content-body {
        padding: 1.5rem;
    }
}