/* ===========================================
   RMC Solar & Electrical - Design System
   Premium dark theme with solar accents
   =========================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-bg-primary: #0f0f14;
    --color-bg-secondary: #1a1a24;
    --color-bg-tertiary: #252532;
    --color-bg-card: rgba(30, 30, 42, 0.8);

    --color-accent-primary: #ffb300;
    /* Solar Gold */
    --color-accent-secondary: #d32f2f;
    /* RMC Red */
    --color-accent-gradient: linear-gradient(135deg, #b71c1c 0%, #e65100 50%, #ffb300 100%);
    /* Deep Red to Gold */

    --color-text-primary: #ffffff;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;

    --color-success: #22c55e;
    --color-warning: #eab308;
    --color-danger: #ef4444;
    --color-info: #3b82f6;

    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-hover: rgba(255, 255, 255, 0.2);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(245, 158, 11, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Background gradient */
#app {
    min-height: 100vh;
    background:
        radial-gradient(ellipse at top right, rgba(245, 158, 11, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at bottom left, rgba(251, 191, 36, 0.05) 0%, transparent 50%),
        var(--color-bg-primary);
}

/* ===========================================
   Header
   =========================================== */
.header {
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) var(--space-6);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.logo {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.company-info h1 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.company-info p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Navigation Tabs */
.nav-tabs {
    display: flex;
    gap: var(--space-2);
}

.nav-tab {
    padding: var(--space-3) var(--space-5);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.nav-tab:hover {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border-hover);
    color: var(--color-text-primary);
}

.nav-tab.active {
    background: var(--color-accent-gradient);
    border-color: transparent;
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-glow);
}

/* ===========================================
   Main Content
   =========================================== */
.main-content {
    padding: var(--space-6);
    max-width: 1600px;
    margin: 0 auto;
}

.tab-content {
    display: none;
    animation: fadeIn var(--transition-normal);
}

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

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================================
   Panels & Cards
   =========================================== */
.panel {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    backdrop-filter: blur(10px);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.panel-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: var(--space-3);
}

/* ===========================================
   Quote Layout
   =========================================== */
.quote-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

@media (max-width: 1200px) {
    .quote-layout {
        grid-template-columns: 1fr;
    }
}

/* ===========================================
   Product Selection
   =========================================== */
.search-box input {
    width: 250px;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

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

.category-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}

.category-tab {
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.category-tab:hover {
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
}

.category-tab.active {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

.product-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    max-height: 500px;
    overflow-y: auto;
}

.product-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.product-item:hover {
    border-color: var(--color-accent-primary);
    transform: translateX(4px);
}

.product-info h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.product-info p {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.product-price {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-accent-primary);
}

.empty-products {
    text-align: center;
    padding: var(--space-8);
    color: var(--color-text-muted);
}

.product-category {
    display: inline-block;
    padding: 2px 8px;
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: capitalize;
}

/* ===========================================
   Quote Panel
   =========================================== */
.quote-section {
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.quote-section:last-of-type {
    border-bottom: none;
    margin-bottom: var(--space-4);
}

.quote-section h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

/* Selected Items */
.selected-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    max-height: 300px;
    overflow-y: auto;
}

.empty-message {
    text-align: center;
    padding: var(--space-6);
    color: var(--color-text-muted);
    font-style: italic;
}

.selected-item {
    display: grid;
    grid-template-columns: 1fr auto auto auto;
    gap: var(--space-3);
    align-items: center;
    padding: var(--space-3);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
}

.selected-item-info {
    overflow: hidden;
}

.selected-item-info h4 {
    font-size: var(--font-size-sm);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.selected-item-info p {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.quantity-control button {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quantity-control button:hover {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

.quantity-control span,
.quantity-control input {
    min-width: 40px;
    text-align: center;
    font-weight: 600;
}

.quantity-control input {
    width: 50px;
    padding: 2px 4px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    -moz-appearance: textfield;
}

.quantity-control input::-webkit-outer-spin-button,
.quantity-control input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.quantity-control input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
}

.selected-item-total {
    font-weight: 600;
    color: var(--color-accent-primary);
    min-width: 80px;
    text-align: right;
}

.remove-item {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.remove-item:hover {
    background: var(--color-danger);
    border-color: var(--color-danger);
    color: white;
}

/* ===========================================
   STC Calculator
   =========================================== */
.stc-section {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(251, 191, 36, 0.05) 100%);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    margin: 0 calc(-1 * var(--space-6));
    margin-bottom: var(--space-6);
    border: none;
}

.stc-calculator {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.stc-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
}

.stc-row label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.stc-row span:not(.label):not(.value) {
    font-weight: 500;
}

.stc-row select {
    flex: 1;
    max-width: 280px;
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
}

.stc-price-input {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0 var(--space-3);
}

.stc-price-input input {
    width: 70px;
    padding: var(--space-2) 0;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
}

.stc-price-input input:focus {
    outline: none;
}

.stc-result {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-top: var(--space-3);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.stc-count,
.stc-value {
    text-align: center;
    padding: var(--space-4);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
}

.stc-count .label,
.stc-value .label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2);
}

.stc-count .value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-accent-secondary);
}

.stc-value .value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-success);
}

/* ===========================================
   Totals Section
   =========================================== */
.totals-section {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin: 0;
    border: none;
}

.total-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-2) 0;
    font-size: var(--font-size-sm);
}

.total-row.stc-deduction {
    color: var(--color-success);
}

.total-row.grand-total {
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 2px solid var(--color-border);
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.total-row.grand-total span:last-child {
    color: var(--color-accent-primary);
    font-size: var(--font-size-xl);
}

/* ===========================================
   Buttons
   =========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: var(--color-accent-gradient);
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
}

.btn-secondary {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
}

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

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

.btn-danger:hover {
    background: #dc2626;
}

.quote-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.quote-actions .btn {
    flex: 1;
    min-width: 120px;
}

/* ===========================================
   Price List Tab
   =========================================== */
.upload-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-10);
    text-align: center;
    margin-bottom: var(--space-6);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--color-accent-primary);
    background: rgba(245, 158, 11, 0.05);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
}

.upload-zone p {
    color: var(--color-text-secondary);
}

.upload-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

.pricelist-table-container {
    overflow-x: auto;
    margin-bottom: var(--space-6);
}

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

.pricelist-table th,
.pricelist-table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.pricelist-table th {
    background: var(--color-bg-tertiary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricelist-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.pricelist-table .actions {
    display: flex;
    gap: var(--space-2);
}

/* Add Item Form */
.add-item-section {
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

.add-item-section h3 {
    margin-bottom: var(--space-4);
    font-size: var(--font-size-base);
    font-weight: 600;
}

.add-item-form {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-4);
    align-items: start;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.input-group label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.input-group input,
.input-group select {
    width: 100%;
    padding: var(--space-3);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
}

.form-actions {
    grid-column: 1 / -1;
    margin-top: var(--space-2);
    display: flex;
    gap: var(--space-3);
    justify-content: flex-start;
}

.highlight-edit {
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 4px rgba(211, 47, 47, 0.2);
    transition: all 0.3s ease;
}

.add-item-form input:focus,
.add-item-form select:focus {
    outline: none;
    border-color: var(--color-accent-primary);
}

/* ===========================================
   Settings Tab
   =========================================== */
.settings-panel {
    max-width: 800px;
}

.settings-section {
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.settings-section h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--color-accent-primary);
}

.settings-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-3);
}

.logo-upload {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.logo-preview {
    width: 100px;
    height: 100px;
    object-fit: contain;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-3);
}

.settings-actions {
    display: flex;
    gap: var(--space-4);
}

/* ===========================================
   Modal
   =========================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 600px;
    max-height: 80vh;
    overflow: hidden;
    animation: slideUp var(--transition-normal);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-5);
    border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
    font-size: var(--font-size-lg);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    font-size: var(--font-size-xl);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.modal-body {
    padding: var(--space-5);
    overflow-y: auto;
    max-height: calc(80vh - 80px);
}

.saved-quotes-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.saved-quote-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.saved-quote-item:hover {
    background: var(--color-bg-card);
    transform: translateX(4px);
}

.saved-quote-info h4 {
    font-weight: 500;
    margin-bottom: var(--space-1);
}

.saved-quote-info p {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.saved-quote-actions {
    display: flex;
    gap: var(--space-2);
}

/* ===========================================
   Scrollbar
   =========================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--color-text-muted);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-secondary);
}

/* ===========================================
   Responsive
   =========================================== */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-tabs {
        width: 100%;
        overflow-x: auto;
    }

    .main-content {
        padding: var(--space-4);
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-group.full-width {
        grid-column: span 1;
    }

    .stc-result {
        grid-template-columns: 1fr;
    }

    .quote-actions {
        flex-direction: column;
    }

    .quote-actions .btn {
        width: 100%;
    }

    .add-item-form {
        flex-direction: column;
    }

    .add-item-form input,
    .add-item-form select {
        width: 100%;
    }
}

/* ===========================================
   Discount Feature
   =========================================== */
.discount-row {
    color: var(--color-success);
}

.discount-to-section {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px dashed var(--color-border);
}

.discount-to-section label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.discount-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex: 1;
}

.discount-input-wrapper span {
    color: var(--color-text-muted);
}

.discount-input-wrapper input {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
}

.discount-input-wrapper input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
}

/* ===========================================
   Quote Breakdown Tab
   =========================================== */
.breakdown-panel {
    max-width: 100%;
}

.panel-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.breakdown-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.summary-card {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    text-align: center;
}

.summary-card.profit {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(34, 197, 94, 0.05) 100%);
    border-color: rgba(34, 197, 94, 0.3);
}

.summary-card .label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}

.summary-card .value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.summary-card.profit .value {
    color: var(--color-success);
}

.breakdown-table-container {
    overflow-x: auto;
    margin-bottom: var(--space-6);
}

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

.breakdown-table th,
.breakdown-table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.breakdown-table th {
    background: var(--color-bg-tertiary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.breakdown-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.breakdown-table .profit-cell {
    color: var(--color-success);
    font-weight: 600;
}

/* Lock Screen */
.lock-screen {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-primary);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.lock-screen.active {
    display: flex !important;
}

.lock-screen .lock-content {
    background: var(--color-bg-secondary);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.cloud-list-item {
    padding: var(--space-3);
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cloud-list-item:hover {
    background: var(--color-bg-tertiary);
}

.cloud-list-item h4 {
    margin: 0;
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
}

.cloud-list-item p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.cloud-delete-btn {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.breakdown-table .markup-cell {
    color: var(--color-accent-primary);
    font-weight: 600;
}

.breakdown-totals {
    font-weight: 700;
    background: var(--color-bg-tertiary);
}

.breakdown-note {
    padding: var(--space-4);
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-accent-primary);
}

.breakdown-note p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

@media (max-width: 768px) {
    .breakdown-summary {
        grid-template-columns: repeat(2, 1fr);
    }
}