@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- Theme Variables --- */
:root {
    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Border Radiuses (Sharp-Angle Theme) */
    --border-radius-xs: 0px;
    --border-radius-sm: 2px;
    --border-radius-md: 4px;
    --border-radius-lg: 6px;

    /* Animations */
    --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);

    /* Light Theme (default) */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-glass: rgba(255, 255, 255, 0.85);
    --border-color: rgba(226, 232, 240, 0.95);
    --border-focus: #6366f1;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --color-primary: #6366f1;
    --color-primary-hover: #4f46e5;
    --color-primary-light: rgba(99, 102, 241, 0.08);
    
    --color-success: #10b981;
    --color-success-light: rgba(16, 185, 129, 0.08);
    --color-warning: #f59e0b;
    --color-warning-light: rgba(245, 158, 11, 0.08);
    --color-danger: #ef4444;
    --color-danger-light: rgba(239, 68, 68, 0.08);
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.02);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.03), 0 2px 4px -1px rgba(0,0,0,0.02);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.03), 0 4px 6px -2px rgba(0,0,0,0.01);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.03);
    --shadow-neon: 0 0 8px rgba(99, 102, 241, 0.25);
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --bg-primary: #0b0f19;
    --bg-secondary: #131926;
    --bg-tertiary: #1e2638;
    --bg-glass: rgba(19, 25, 38, 0.85);
    --border-color: rgba(255, 255, 255, 0.06);
    --border-focus: #818cf8;
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    
    --color-primary: #818cf8;
    --color-primary-hover: #6366f1;
    --color-primary-light: rgba(129, 140, 248, 0.12);
    
    --color-success: #34d399;
    --color-success-light: rgba(52, 211, 153, 0.12);
    --color-warning: #fbbf24;
    --color-warning-light: rgba(251, 191, 36, 0.12);
    --color-danger: #f87171;
    --color-danger-light: rgba(248, 113, 113, 0.12);
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.2), 0 2px 4px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.3), 0 10px 10px -5px rgba(0,0,0,0.2);
    --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.25);
    --shadow-neon: 0 0 12px rgba(129, 140, 248, 0.4);
}

/* --- Base Resets & Layout --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

body {
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 500px; /* Mobile first lock width */
    margin: 0 auto;
    padding: 1.5rem 1rem;
    flex: 1 0 auto;
}

@media (min-width: 640px) {
    .container {
        padding: 2rem 1.5rem;
    }
}

/* --- PWA Install Prompt --- */
.pwa-install-overlay {
    position: fixed;
    inset: 0;
    z-index: 5000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 1rem;
    background: rgba(11, 15, 25, 0);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-normal), background var(--transition-normal);
}

.pwa-install-overlay.active {
    opacity: 1;
    pointer-events: auto;
    background: rgba(11, 15, 25, 0.55);
}

.pwa-install-card {
    width: 100%;
    max-width: 420px;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(1rem);
    transition: transform var(--transition-normal);
}

.pwa-install-overlay.active .pwa-install-card {
    transform: translateY(0);
}

.pwa-install-close {
    position: absolute;
    top: 0.65rem;
    right: 0.75rem;
    width: 2rem;
    height: 2rem;
    border: 0;
    background: transparent;
    color: var(--text-muted);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
}

.pwa-install-icon {
    width: 2.75rem;
    height: 2.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.85rem;
    background: var(--color-primary-light);
    font-size: 1.55rem;
}

.pwa-install-card h3 {
    margin: 0;
    font-family: var(--font-heading);
    font-size: 1.2rem;
}

.pwa-install-copy,
.pwa-install-ios-steps {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.45;
}

.pwa-install-ios-steps {
    flex-direction: column;
    gap: 0.35rem;
    padding: 0.85rem;
    border: 1px dashed var(--border-color);
    border-radius: 0.65rem;
    background: var(--bg-tertiary);
}

@media (min-width: 640px) {
    .pwa-install-overlay {
        align-items: center;
    }
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.25;
}

h1 { font-size: 1.75rem; letter-spacing: -0.025em; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.15rem; }
p { font-size: 0.925rem; line-height: 1.5; color: var(--text-secondary); }

/* --- Global Components & Glassmorphism --- */
.card {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-glass);
    margin-bottom: 1.25rem;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.75rem 1.25rem;
    min-height: 2.75rem; /* Ensure minimum 44px height for mobile touch targets */
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
    text-decoration: none;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
}
.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-neon);
}
.btn-primary:active {
    transform: translateY(0);
}

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

.btn-danger {
    background-color: var(--color-danger);
    color: #ffffff;
}
.btn-danger:hover {
    background-color: #dc2626;
}

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

.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border-radius: var(--border-radius-sm);
}

.input-field {
    width: 100%;
    font-family: var(--font-body);
    font-size: 1rem; /* 16px to prevent iOS Auto-Zoom on focus */
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.input-field:focus {
    border-color: var(--border-focus);
    box-shadow: var(--shadow-neon);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 1rem;
}
.input-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
}
.alert-info {
    background-color: var(--color-primary-light);
    border-color: rgba(99, 102, 241, 0.2);
    color: var(--color-primary);
}
.alert-warning {
    background-color: var(--color-warning-light);
    border-color: rgba(245, 158, 11, 0.2);
    color: var(--color-warning);
}
.alert-danger {
    background-color: var(--color-danger-light);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--color-danger);
}

/* --- Header / Navigation --- */
header {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    background: linear-gradient(135deg, var(--color-primary), #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Theme Toggle Button */
.theme-toggle-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}
.theme-toggle-btn:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

/* --- Wizard Stepper --- */
.stepper {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    margin-bottom: 1.75rem;
    padding: 0;
}
.stepper-progress {
    position: absolute;
    top: 1rem; /* Vertical center of 2rem (32px) dot */
    left: 1.25rem;
    right: 1.25rem;
    height: 2px;
    background-color: var(--border-color);
    z-index: 1;
    transform: translateY(-50%);
}
.stepper-progress-fill {
    height: 100%;
    background-color: var(--color-primary);
    width: 0%;
    transition: width var(--transition-normal);
}
.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    gap: 0.35rem;
    flex: 1;
}
.step-dot {
    width: 2rem;
    height: 2rem;
    border-radius: var(--border-radius-xs);
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-muted);
    transition: all var(--transition-normal);
}
.step-item.active .step-dot {
    border-color: var(--color-primary);
    background-color: var(--color-primary);
    color: #ffffff;
    box-shadow: var(--shadow-neon);
}
.step-item.completed .step-dot {
    border-color: var(--color-success);
    background-color: var(--color-success);
    color: #ffffff;
}

/* --- Wizard Flow Panels --- */
.wizard-panel {
    display: none;
    animation: fadeIn var(--transition-normal) forwards;
}
.wizard-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Step 1: Upload & Image Editor --- */
.upload-dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 2.5rem 1.5rem;
    text-align: center;
    cursor: pointer;
    background-color: rgba(255, 255, 255, 0.02);
    transition: border-color var(--transition-normal), background-color var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}
.upload-dropzone:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary-light);
}
.upload-dropzone input {
    display: none;
}
.upload-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
}

.preprocess-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.image-canvas-container {
    width: 100%;
    aspect-ratio: 4 / 3;
    background-color: #000;
    border-radius: 0.75rem;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
}
.image-canvas-container canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.preprocess-controls {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

/* --- Step 2: Bill Editor --- */
.bill-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.bill-meta-grid .input-group:first-child {
    grid-column: span 2;
}

.table-wrapper {
    overflow-x: auto;
    margin: 0.5rem -1.25rem;
    padding: 0 1.25rem;
}
.bill-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    text-align: left;
}
.bill-table th, .bill-table td {
    padding: 0.6rem 0.5rem;
    border-bottom: 1px solid var(--border-color);
}
.bill-table th {
    font-family: var(--font-heading);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.bill-table input {
    background: transparent;
    border: 1px solid transparent;
    padding: 0.25rem 0.4rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    width: 100%;
    border-radius: 0.35rem;
    transition: all var(--transition-fast);
}
.bill-table input:focus {
    background: var(--bg-secondary);
    border-color: var(--border-focus);
}

.bill-table .col-qty { width: 12%; }
.bill-table .col-name { width: 48%; }
.bill-table .col-price { width: 28%; text-align: right; }
.bill-table .col-action { width: 12%; text-align: center; }

.bill-table .col-price input { text-align: right; }

.bill-table-totals {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
}
.totals-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.totals-row.grand-total {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    padding-top: 0.5rem;
    border-top: 2px solid var(--border-color);
}

.totals-row input {
    width: 5rem;
    text-align: right;
    border: none;
    border-bottom: 1px dashed var(--border-color);
    background: transparent;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
}
.totals-row.grand-total input {
    font-weight: 700;
    font-size: 1.15rem;
}

/* --- Step 3: People Manager --- */
.people-manager {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.people-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.person-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* --- Step 4: Split & Assign UI --- */
.assign-item-scroller {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: 55vh;
    overflow-y: auto;
    padding-right: 0.25rem;
}

.assign-card {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: 0.85rem;
    padding: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.assign-card.unassigned {
    border-left: 4px solid var(--color-warning);
}
.assign-card.assigned {
    border-left: 4px solid var(--color-success);
}
.assign-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}
.assign-item-title {
    font-weight: 600;
    font-size: 0.95rem;
}
.assign-item-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}
.assign-item-total {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
}

/* People selection chips */
.people-chips-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.person-chip {
    padding: 0.35rem 0.75rem;
    border-radius: 2rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    user-select: none;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}
.person-chip.selected {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Custom Split Sub-UI */
.custom-split-ui {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding-top: 0.5rem;
    border-top: 1px dashed var(--border-color);
    margin-top: 0.25rem;
}
.custom-split-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}
.custom-split-input-wrap {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    max-width: 6rem;
}
.custom-split-input-wrap input {
    text-align: right;
    padding: 0.2rem 0.4rem;
}

/* --- Step 5: Review & Extra Charge Distribution --- */
.distribution-settings {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}
.distribution-select-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}
.distribution-select-row select {
    padding: 0.35rem 0.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    outline: none;
}

.running-totals-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.running-total-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0.75rem;
    border-radius: 0.65rem;
    background-color: var(--bg-tertiary);
    font-size: 0.9rem;
}
.running-total-name {
    font-weight: 500;
}
.running-total-val {
    font-family: var(--font-heading);
    font-weight: 700;
}

/* --- Step 6: Summary & Export --- */
.summary-container {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.summary-header {
    text-align: center;
    border-bottom: 2px dashed var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 0.5rem;
}
.summary-store {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
}
.summary-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.person-bill-summary {
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 0.85rem;
    background: rgba(255,255,255,0.01);
}
.person-summary-header {
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
}
.person-summary-items {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.person-summary-item-row {
    display: flex;
    justify-content: space-between;
}
.person-summary-breakdown {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px dashed var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.exchange-rate-alert {
    background-color: var(--color-primary-light);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 0.75rem;
    padding: 0.75rem;
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.exchange-rate-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.exchange-rate-input-wrap {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
.exchange-rate-input-wrap input {
    width: 4rem;
    text-align: right;
    padding: 0.15rem 0.3rem;
    border-radius: 0.35rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.share-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

/* --- Loader Overlay --- */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(11, 15, 25, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    gap: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}
.loading-overlay.active {
    opacity: 1;
    pointer-events: auto;
}
.loading-box {
    width: 90px;
    height: 90px;
    border: 1px solid var(--color-primary);
    position: relative;
    background: rgba(129, 140, 248, 0.05);
    box-shadow: var(--shadow-neon);
    overflow: hidden;
    border-radius: var(--border-radius-xs);
}
.loading-box::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    background: var(--color-primary);
    box-shadow: 0 0 10px var(--color-primary), 0 0 20px var(--color-primary);
    top: 0;
    left: 0;
    animation: scan 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
.loading-box::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 6px;
    right: 6px;
    bottom: 6px;
    border: 1px dashed rgba(129, 140, 248, 0.25);
    pointer-events: none;
}
.loading-text {
    color: #ffffff;
    font-weight: 600;
    font-size: 0.85rem;
    font-family: var(--font-heading);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.25);
    animation: pulseText 1.5s ease-in-out infinite;
}

@keyframes scan {
    0% { top: -5%; }
    50% { top: 105%; }
    100% { top: -5%; }
}
@keyframes pulseText {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* --- Utilities / Layout helpers --- */
.wizard-footer-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 1.5rem;
    gap: 0.75rem;
}
.text-center { text-align: center; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.w-full { width: 100%; }

/* --- Crop Container --- */
.cropper-modal-container {
    max-height: 50vh;
    width: 100%;
    background-color: #111;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    position: relative;
}
.cropper-img {
    max-width: 100%;
    display: block;
}

/* --- Split Mode Indicator --- */
.split-mode-selector {
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    background-color: var(--bg-tertiary);
}
.split-mode-btn {
    flex: 1;
    border: none;
    background: none;
    font-size: 0.75rem;
    padding: 0.35rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.split-mode-btn.active {
    background-color: var(--color-primary);
    color: #ffffff;
}

.step-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: color var(--transition-normal);
    text-align: center;
    display: none;
    white-space: nowrap;
}
.step-item.active .step-label {
    color: var(--color-primary);
    font-weight: 700;
}
.step-item.completed .step-label {
    color: var(--color-success);
}
@media (min-width: 360px) {
    .step-label {
        display: block;
    }
}

/* --- Toast Notifications --- */
.toast-container {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 90%;
    max-width: 400px;
    pointer-events: none;
}
.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 12px;
    background: rgba(20, 20, 25, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    transition: opacity 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: auto;
}
[data-theme="light"] .toast {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.06);
}
.toast.show {
    opacity: 1;
    transform: translateY(0) scale(1);
}
.toast-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: bold;
    flex-shrink: 0;
}
.toast-success .toast-icon {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
}
.toast-error .toast-icon {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}
.toast-warning .toast-icon {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}
.toast-info .toast-icon {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

/* --- Recent Bills --- */
.recent-bills-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
    max-height: 250px;
    overflow-y: auto;
    padding-right: 4px;
}
.recent-bill-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}
.recent-bill-item:hover {
    background-color: var(--bg-tertiary);
    transform: translateY(-1px);
}
.recent-bill-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.recent-bill-merchant {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
}
.recent-bill-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.recent-bill-amount-wrap {
    text-align: right;
}
.recent-bill-amount {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-primary);
}
.recent-bill-myr {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* --- Receipt Inspector --- */
.receipt-inspector {
    position: fixed;
    bottom: -100%;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 480px;
    height: 48vh;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 1.25rem 1.25rem 0 0;
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.3);
    z-index: 990;
    display: flex;
    flex-direction: column;
    transition: bottom var(--transition-normal);
}
.receipt-inspector.active {
    bottom: 0;
}
.inspector-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
}
.inspector-close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
}
.inspector-close-btn:hover {
    color: var(--color-danger);
}
.inspector-body {
    flex: 1;
    overflow: auto;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.1);
}
.inspector-img-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.inspector-img-container img, .inspector-img-container canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-md);
}
.inspector-placeholder {
    font-size: 0.85rem;
    color: var(--text-muted);
}
@media (min-width: 1000px) {
    .receipt-inspector {
        top: 90px;
        right: 2rem;
        left: auto;
        bottom: auto;
        transform: none;
        width: 400px;
        height: calc(100vh - 140px);
        border-radius: 1.25rem;
        box-shadow: var(--shadow-lg);
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-normal), transform var(--transition-normal);
        transform: translateY(10px);
    }
    .receipt-inspector.active {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }
}

/* --- Payment QR & Settings --- */
.payment-settings-card {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    background: var(--color-primary-light);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 1rem;
    padding: 1rem;
    margin-top: 1rem;
}
.payment-qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: #ffffff;
    border-radius: 0.75rem;
    width: 130px;
    height: 130px;
    border: 1px solid var(--border-color);
}
[data-theme="dark"] .payment-qr-container {
    background: #ffffff;
}
.payment-qr-container canvas, .payment-qr-container img {
    max-width: 100%;
    max-height: 100%;
}
.qr-modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}
.qr-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}
.qr-modal-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
    padding: 1.5rem;
    width: 90%;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transform: translateY(15px);
    transition: transform var(--transition-normal);
}
.qr-modal-overlay.active .qr-modal-card {
    transform: translateY(0);
}

/* --- Visual Bill Cards --- */
.visual-bill-card-container {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    color: #f8fafc;
    border-radius: 1.25rem;
    padding: 1.75rem;
    width: 380px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.3);
    font-family: 'Outfit', sans-serif;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
}
[data-theme="light"] .visual-bill-card-container {
    background: linear-gradient(135deg, #ffffff, #f1f5f9);
    color: #0f172a;
    border: 1px solid rgba(0, 0, 0, 0.08);
}
.visual-bill-card-header {
    border-bottom: 2px dashed rgba(255,255,255,0.15);
    padding-bottom: 0.75rem;
    text-align: center;
}
[data-theme="light"] .visual-bill-card-header {
    border-bottom: 2px dashed rgba(0,0,0,0.1);
}
.visual-bill-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.visual-bill-card-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
}
.visual-bill-card-total-row {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    font-size: 1.15rem;
}
[data-theme="light"] .visual-bill-card-total-row {
    border-top: 1px solid rgba(0,0,0,0.08);
}
.download-card-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.35rem 0.65rem;
    border-radius: var(--border-radius-sm);
    color: var(--color-primary);
    background: var(--color-primary-light);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.download-card-btn:hover {
    background: var(--color-primary);
    color: #ffffff;
}

/* --- Print Styles --- */
@media print {
    body, html {
        background: #fff !important;
        color: #000 !important;
    }
    header, 
    .stepper, 
    .wizard-footer-buttons,
    .share-options-grid,
    .theme-toggle-btn,
    .exchange-rate-alert,
    .btn,
    .alert {
        display: none !important;
    }
    .container {
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    .card {
        border: none !important;
        background: transparent !important;
        box-shadow: none !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    .wizard-panel {
        display: none !important;
    }
    .wizard-panel#step6 {
        display: block !important;
        opacity: 1 !important;
        transform: none !important;
    }
    .person-bill-summary {
        page-break-inside: avoid;
        border: 1px solid #ccc !important;
        margin-bottom: 1.5rem !important;
    }
}


/* --- Travel Expense Styles --- */
.modal-tabs {
    border-bottom: 1px solid var(--border-color);
}
.modal-tab-btn {
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}
.modal-tab-btn.active {
    border-bottom-color: var(--color-primary) !important;
    color: var(--color-primary) !important;
}
.tab-content {
    display: none;
}
.tab-content.active-content {
    display: block;
}

/* Inline category select styling */
.item-category-select {
    font-size: 0.85rem;
    padding: 0.2rem 0.35rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}
.item-category-select:focus {
    border-color: var(--color-primary);
}

/* Category Badge Indicators */
.category-badge-btn {
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}
.category-badge-btn:hover {
    transform: scale(1.1);
}

/* Trip Cost Breakdown Progress Bars */
.trip-progress-item {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.trip-progress-label-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}
.trip-progress-bar-bg {
    height: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-xs);
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.03);
}
.trip-progress-bar-fill {
    height: 100%;
    border-radius: var(--border-radius-xs);
    transition: width var(--transition-normal) ease-out;
}