/* ==========================================================================
   GRO Sys - Premium CSS Stylesheet
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
    --bg-main: #0b0f19;
    --bg-card: rgba(23, 30, 46, 0.75);
    --bg-card-solid: #171e2e;
    --bg-input: #1e293b;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(99, 102, 241, 0.25);
    
    --color-primary: #6366f1; /* Indigo */
    --color-primary-hover: #4f46e5;
    --color-accent: #10b981; /* Emerald */
    --color-accent-hover: #059669;
    --color-danger: #ef4444; /* Red */
    --color-danger-hover: #dc2626;
    --color-warning: #f59e0b; /* Amber */
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.4);
    --shadow-primary: 0 0 15px rgba(99, 102, 241, 0.4);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.05) 0%, transparent 45%);
    background-attachment: fixed;
    min-height: 100vh;
}

input, button, select, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

/* --- Scrollbar Customization --- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: #273549;
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: #3b4f6b;
}

/* --- Layout Container --- */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Main Header --- */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    color: var(--color-primary);
    width: 2rem;
    height: 2rem;
    filter: drop-shadow(0 0 8px rgba(99, 102, 241, 0.6));
}

.header-logo h1 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-accent {
    color: var(--color-accent);
}

/* --- Dual View Switcher (Toggle Switch) --- */
.view-toggle-container {
    display: flex;
    background: rgba(30, 41, 59, 0.7);
    padding: 0.25rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.toggle-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.toggle-btn i {
    width: 1.1rem;
    height: 1.1rem;
}

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

.toggle-btn.active {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-primary);
}

/* --- Main Content Section --- */
.main-content {
    flex: 1;
    padding: 2rem 0 4rem 0;
}

.view-section {
    display: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.view-section.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   📱 TECHNICIAN VIEW (Mobile-first card layout)
   ========================================================================== */
#tech-view {
    display: none;
    justify-content: center;
}

#tech-view.active {
    display: flex;
}

.tech-card {
    width: 100%;
    max-width: 580px;
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
}

/* Step Header */
.step-header {
    margin-bottom: 1.5rem;
}

.step-badge {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.step-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.step-progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.step-progress-fill {
    height: 100%;
    width: 25%; /* Default Step 1 */
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

/* Technician Profile Area */
.tech-info-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1.5rem;
}

/* Steps Content Containers */
.step-content {
    display: none;
}

.step-content.active {
    display: block;
    animation: fadeIn var(--transition-normal);
}

.step-intro {
    margin-bottom: 1.5rem;
}

.step-intro h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.step-intro p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* STEP 1: Check-in / Location UI */
.action-status-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2.5rem 1rem;
    background: rgba(255, 255, 255, 0.01);
    border-radius: var(--radius-md);
    margin-bottom: 2rem;
    border: 1px dashed rgba(255, 255, 255, 0.05);
}

.status-icon-box {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.status-icon-box.waiting {
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
    border: 2px solid rgba(99, 102, 241, 0.2);
}

.status-icon-box.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-accent);
    border: 2px solid rgba(16, 185, 129, 0.2);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
}

.status-icon-box i {
    width: 2rem;
    height: 2rem;
}

.pulse-icon {
    animation: pulse 2s infinite;
}

.status-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    max-width: 320px;
    margin-top: 0.5rem;
}

.gps-data-box {
    margin-top: 1.5rem;
    padding: 0.75rem 1.25rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-align: left;
    width: 100%;
    max-width: 320px;
    animation: slideDown var(--transition-fast);
}

.gps-row {
    font-size: 0.8rem;
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0;
    font-family: monospace;
}

.gps-row:not(:last-child) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.gps-row .label {
    color: var(--text-secondary);
    font-weight: 500;
}

/* STEP 2: Materials Quantity Selector */
.materials-list-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
    max-height: 380px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.material-item-row {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    transition: background var(--transition-fast);
}

.material-item-row:hover {
    background: rgba(255, 255, 255, 0.04);
}

.material-row-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.material-meta {
    display: flex;
    flex-direction: column;
}

.material-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.material-unit {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.quantity-controller {
    display: flex;
    align-items: center;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    overflow: hidden;
    height: 38px;
}

.qty-btn {
    border: none;
    background: transparent;
    width: 38px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-fast);
    color: var(--text-secondary);
}

.qty-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.qty-input {
    border: none;
    background: transparent;
    width: 45px;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    outline: none;
    -moz-appearance: textfield;
}

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

/* Serial numbers for switches etc */
.serial-number-wrapper {
    display: none;
    animation: slideDown var(--transition-fast);
}

.serial-number-wrapper.active {
    display: block;
}

.serial-number-wrapper label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 0.25rem;
}

.serial-input {
    width: 100%;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
    outline: none;
    font-family: monospace;
    transition: border-color var(--transition-fast);
}

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

/* STEP 3: Displacement & Costs */
.displacement-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.section-divider-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-top: 0.5rem;
}

.info-km-result {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.15);
    color: var(--color-accent);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    animation: fadeIn var(--transition-fast);
}

.info-km-result i {
    width: 1.1rem;
    height: 1.1rem;
}

/* File Upload Area */
.file-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    background: rgba(255, 255, 255, 0.01);
}

.file-upload-area:hover {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.02);
}

.file-upload-area.has-file {
    border-color: var(--color-accent);
    background: rgba(16, 185, 129, 0.02);
}

.upload-icon {
    width: 2rem;
    height: 2rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    transition: color var(--transition-fast);
}

.file-upload-area:hover .upload-icon {
    color: var(--color-primary);
}

.file-upload-area.has-file .upload-icon {
    color: var(--color-accent);
}

.file-upload-area span {
    display: block;
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.file-limit-text {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.hidden-file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-status-text {
    margin-top: 0.5rem;
    font-size: 0.8rem;
    font-style: italic;
    color: var(--text-secondary);
}

/* STEP 4: Summary Screen */
.summary-details {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.summary-block {
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
}

.summary-block h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding-bottom: 0.5rem;
    margin-bottom: 0.75rem;
}

.summary-block h4 i {
    width: 1rem;
    height: 1rem;
    color: var(--color-primary);
}

.summary-item {
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0;
}

.summary-item strong {
    font-weight: 500;
    color: var(--text-secondary);
}

.summary-list-sub {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.summary-sub-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.01);
    padding: 0.35rem 0.6rem;
    border-radius: var(--radius-sm);
}

.empty-list {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

.total-cost-highlight {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px dashed rgba(255, 255, 255, 0.08);
    font-size: 1.05rem;
    font-weight: 700;
}

.total-cost-highlight strong {
    color: var(--text-primary);
}

.total-cost-highlight span {
    color: var(--color-accent);
    text-shadow: 0 0 10px rgba(16, 185, 129, 0.25);
}

/* Technician Navigations */
.tech-navigation {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1.5rem;
}

.checkout-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

/* ==========================================================================
   📊 MANAGER DASHBOARD (Desktop Grid layout)
   ========================================================================== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.kpi-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.kpi-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.12);
}

.kpi-icon-box {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.kpi-icon-box.blue {
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
}

.kpi-icon-box.emerald {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-accent);
}

.kpi-icon-box.violet {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.kpi-icon-box i {
    width: 1.5rem;
    height: 1.5rem;
}

.kpi-info {
    display: flex;
    flex-direction: column;
}

.kpi-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0.15rem 0;
}

.kpi-subtext {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Dashboard Panel Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1.8fr 1.2fr;
    gap: 1.5rem;
}

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

.dashboard-panel {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.dashboard-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Panel Header */
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1.25rem;
}

.panel-title-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.panel-title-container i {
    color: var(--color-primary);
    width: 1.25rem;
    height: 1.25rem;
}

.panel-title-container h2 {
    font-size: 1.15rem;
    font-weight: 700;
}

.panel-actions {
    display: flex;
    gap: 0.5rem;
}

/* Filters bar */
.table-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
    margin-bottom: 1.25rem;
    background: rgba(255, 255, 255, 0.01);
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.search-input-wrapper {
    position: relative;
    flex: 1;
    min-width: 240px;
}

.search-icon {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1rem;
    height: 1rem;
    color: var(--text-muted);
}

.search-input-wrapper input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.55rem 1rem 0.55rem 2.3rem;
    font-size: 0.875rem;
    outline: none;
    transition: all var(--transition-fast);
}

.search-input-wrapper input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--border-glow);
}

.filter-controls-row {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.filter-group label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.filter-group input {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    outline: none;
}

/* Data Table Styling */
.table-container {
    overflow-x: auto;
    position: relative;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.875rem;
}

.data-table th, 
.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: rgba(30, 41, 59, 0.4);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody tr {
    transition: background var(--transition-fast);
}

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

.data-table td.actions-cell {
    display: flex;
    gap: 0.5rem;
}

.empty-table-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-table-message i {
    width: 2rem;
    height: 2rem;
}

/* --- Map View Styling --- */
.map-panel {
    padding: 1.25rem !important;
}

.map-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

#leaflet-map {
    height: 280px;
    width: 100%;
    z-index: 1; /* Keep leaflet controls below dropdowns if needed */
}

.map-overlay-info {
    position: absolute;
    bottom: 10px;
    left: 10px;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(4px);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    display: flex;
    gap: 0.75rem;
    font-size: 0.75rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    display: inline-block;
}

.dot.green { background: var(--color-accent); }
.dot.red { background: var(--color-danger); }

/* --- Settings Form --- */
.settings-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.materials-config-area {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.config-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.35rem;
}

.config-section-header h3 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.materials-config-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 220px;
    overflow-y: auto;
    padding-right: 0.25rem;
}

.mgr-material-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.mgr-mat-info {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.mgr-mat-unit-badge {
    background: rgba(99, 102, 241, 0.12);
    color: var(--color-primary);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.1rem 0.35rem;
    border-radius: var(--radius-sm);
}

.mgr-mat-serial-badge {
    background: rgba(245, 158, 11, 0.12);
    color: var(--color-warning);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.1rem 0.35rem;
    border-radius: var(--radius-sm);
}

/* ==========================================================================
   FORM CONTROLS (Common styles)
   ========================================================================== */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    width: 100%;
}

.form-group-row {
    display: flex;
    gap: 1rem;
    width: 100%;
}

@media (max-width: 480px) {
    .form-group-row {
        flex-direction: column;
        gap: 1rem;
    }
}

.input-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

input[type="text"],
input[type="number"],
input[type="date"],
select {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.65rem 1rem;
    font-size: 0.9rem;
    outline: none;
    transition: all var(--transition-fast);
}

input:focus, select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--border-glow);
}

.currency-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.currency-symbol {
    position: absolute;
    left: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    pointer-events: none;
}

.currency-input-wrapper input {
    padding-left: 2.2rem;
}

.input-helper {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.checkbox-group {
    flex-direction: row !important;
    align-items: center;
    gap: 0.5rem !important;
    cursor: pointer;
}

.checkbox-group input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.checkbox-group label {
    cursor: pointer;
    user-select: none;
}

/* ==========================================================================
   BUTTONS (Design System)
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    user-select: none;
}

.btn-large {
    padding: 0.85rem 1.75rem;
    font-size: 1rem;
    width: 100%;
}

.btn-small {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

.btn i {
    width: 1.15rem;
    height: 1.15rem;
}

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

.btn-primary:hover {
    background: var(--color-primary-hover);
    box-shadow: var(--shadow-primary);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.15);
}

.btn-accent {
    background: var(--color-accent);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-accent:hover {
    background: var(--color-accent-hover);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.35);
    transform: translateY(-1px);
}

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

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

.btn-text {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.5rem;
    font-size: 0.85rem;
}

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

.btn-icon-only {
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon-only i {
    width: 1.1rem;
    height: 1.1rem;
}

/* ==========================================================================
   MODAL DIALOGS
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(6px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.modal-backdrop.active {
    display: flex;
    animation: fadeIn var(--transition-fast);
}

.modal-container {
    background: var(--bg-card-solid);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 650px;
    box-shadow: var(--shadow-lg);
    animation: scaleUp var(--transition-normal);
    display: flex;
    flex-direction: column;
    max-height: 85vh;
}

.modal-container.modal-small {
    max-width: 450px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
}

.btn-close-modal {
    background: transparent;
    border: none;
    font-size: 1.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
    line-height: 1;
}

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

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* Detail Modal Specifics */
.modal-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 580px) {
    .modal-detail-grid {
        grid-template-columns: 1fr;
    }
}

.modal-detail-section h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.25rem;
}

.modal-meta-row {
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.modal-meta-row strong {
    color: var(--text-secondary);
    font-weight: 500;
}

.modal-receipt-preview {
    margin-top: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    text-align: center;
    background: #000;
}

.modal-receipt-preview img {
    max-width: 100%;
    max-height: 200px;
    object-fit: contain;
}

/* ==========================================================================
   TOAST NOTIFICATION SYSTEM
   ========================================================================== */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
}

.toast {
    background: #1e293b;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    color: var(--text-primary);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    min-width: 280px;
    max-width: 400px;
    animation: slideInRight var(--transition-fast) forwards;
    pointer-events: auto;
}

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

.toast.success i {
    color: var(--color-accent);
}

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

.toast.error i {
    color: var(--color-danger);
}

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

.toast.info i {
    color: var(--color-primary);
}

.toast i {
    width: 1.2rem;
    height: 1.2rem;
    flex-shrink: 0;
}

.toast-close-btn {
    margin-left: auto;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
}

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

/* ==========================================================================
   CSS ANIMATIONS
   ========================================================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleUp {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

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

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(99, 102, 241, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
    to { opacity: 0; transform: translateY(10px); }
}

/* Helper Utilities */
.hidden { display: none !important; }