/* ============================================
   BIZMKONONI - Complete Design System
   "Light in the Darkness" Multi-Screen Theme
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Core Colors */
    --bg-primary: #0A0E17;
    --bg-secondary: #111827;
    --bg-card: #1A1F2E;
    --bg-elevated: #1F2937;
    
    /* Glowing Card Colors */
    --spending-glow: rgba(245, 158, 11, 0.15);
    --spending-accent: #F59E0B;
    --spending-text: #FCD34D;
    
    --earnings-glow: rgba(16, 185, 129, 0.15);
    --earnings-accent: #10B981;
    --earnings-text: #6EE7B7;
    
    --profit-glow: rgba(59, 130, 246, 0.2);
    --profit-accent: #3B82F6;
    --profit-text: #93C5FD;
    
    --deni-glow: rgba(239, 68, 68, 0.15);
    --deni-accent: #EF4444;
    --deni-text: #FCA5A5;
    
    --mpesa-glow: rgba(76, 175, 80, 0.15);
    --mpesa-accent: #4CAF50;
    --mpesa-text: #A5D6A7;
    
    /* UI Colors */
    --text-primary: #F9FAFB;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    --border-color: #1F2937;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Safe Areas */
    --safe-area-top: env(safe-area-inset-top, 16px);
    --safe-area-bottom: env(safe-area-inset-bottom, 16px);
    
    /* Animation */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    overflow: hidden;
    height: 100%;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    user-select: none;
    -webkit-user-select: none;
    height: 100%;
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* App Container */
.app-container {
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    max-width: 480px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

/* ============================================
   HEADER
   ============================================ */
.app-header {
    padding: var(--space-md) var(--space-lg);
    padding-top: calc(var(--space-md) + var(--safe-area-top));
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-primary);
    z-index: 100;
    flex-shrink: 0;
}

.header-back {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-sm);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-center {
    text-align: center;
    flex: 1;
}

.business-name {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.current-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.connection-status {
    display: flex;
    align-items: center;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: block;
}

.connection-status.online .status-dot { background-color: var(--earnings-accent); }
.connection-status.offline .status-dot { background-color: var(--spending-accent); }

/* ============================================
   SCREENS CONTAINER (SWIPEABLE)
   ============================================ */
.screens-container {
    flex: 1;
    display: flex;
    overflow-x: hidden;
    overflow-y: hidden;
    position: relative;
}

.screen {
    min-width: 100%;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}

.screen-content {
    padding: var(--space-md) var(--space-lg);
    padding-bottom: calc(var(--space-xl) + 60px + var(--safe-area-bottom));
}

/* ============================================
   MONEY CARDS
   ============================================ */
.money-card {
    position: relative;
    border-radius: 20px;
    padding: var(--space-lg);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.hero-card {
    margin-bottom: var(--space-md);
}

.hero-card .card-amount .number {
    font-size: 2.5rem;
    font-weight: 900;
}

.card-profit {
    border: 2px solid var(--profit-accent);
    transform: scale(1.01);
}

.card-profit .card-glow {
    background: radial-gradient(circle at 50% 0%, var(--profit-glow), transparent 70%);
    opacity: 0.7;
}

.card-spending .card-glow {
    background: radial-gradient(circle at 50% 0%, var(--spending-glow), transparent 70%);
}

.card-earnings .card-glow {
    background: radial-gradient(circle at 50% 0%, var(--earnings-glow), transparent 70%);
}

.card-mpesa .card-glow {
    background: radial-gradient(circle at 50% 0%, var(--mpesa-glow), transparent 70%);
}

.card-glow {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    opacity: 0.5;
}

.card-content {
    position: relative;
    z-index: 1;
}

.card-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.card-profit .card-label { color: var(--profit-text); }
.card-spending .card-label { color: var(--spending-text); }
.card-earnings .card-label { color: var(--earnings-text); }
.card-mpesa .card-label { color: var(--mpesa-text); }
.card-cash .card-label { color: var(--text-secondary); }
.card-payments .card-label { color: var(--spending-text); }

.card-amount {
    display: flex;
    align-items: baseline;
    gap: var(--space-xs);
    margin-bottom: var(--space-xs);
}

.currency {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.number {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
}

.card-profit .number { color: var(--profit-accent); }
.card-spending .number { color: var(--spending-accent); }
.card-earnings .number { color: var(--earnings-accent); }
.card-mpesa .number { color: var(--mpesa-accent); }

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

/* Dual Cards (side by side) */
.dual-cards {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.half-card {
    flex: 1;
    padding: var(--space-md);
}

.half-card .number {
    font-size: 1.5rem;
}

.half-card .card-label {
    font-size: 0.7rem;
}

/* Full Card (for screen 2) */
.full-card {
    margin-bottom: var(--space-md);
}

.card-action-btn {
    margin-top: var(--space-md);
    width: 100%;
    padding: var(--space-md);
    background-color: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-secondary);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.card-action-btn:active {
    background-color: rgba(255,255,255,0.1);
}

/* Mini Cards (Dashboard) */
.mini-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mini-card:active {
    background-color: var(--bg-elevated);
}

.mini-card-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mini-card-left {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.mini-icon {
    font-size: 1.5rem;
}

.mini-title {
    font-size: 0.85rem;
    font-weight: 600;
}

.mini-subtitle {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.mini-arrow {
    color: var(--text-muted);
    font-size: 1.2rem;
}

.mpesa-mini {
    border-left: 3px solid var(--mpesa-accent);
}

.deni-mini {
    border-left: 3px solid var(--deni-accent);
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.quick-btn {
    flex: 1;
    padding: var(--space-md);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    color: var(--text-secondary);
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    transition: all var(--transition-fast);
}

.quick-btn:active {
    background-color: var(--bg-elevated);
    transform: scale(0.95);
}

.quick-btn-icon {
    font-size: 1.5rem;
}

/* ============================================
   SECTION CARDS (Screens 4 & 5)
   ============================================ */
.section-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: var(--space-xl);
    font-size: 0.9rem;
}

/* Business Card Preview */
.card-preview {
    background: linear-gradient(135deg, #1a1f2e 0%, #111827 100%);
    border: 2px solid var(--profit-accent);
    border-radius: 16px;
    padding: var(--space-lg);
}

.card-preview-header {
    text-align: center;
    margin-bottom: var(--space-md);
}

.card-preview-name {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--profit-accent);
}

.card-preview-category {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.stat-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.stat-row:last-child { border-bottom: none; }

.stat-row strong {
    color: var(--text-primary);
}

.consistency-stars {
    color: var(--spending-accent);
}

.card-preview-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.preview-btn {
    flex: 1;
    padding: var(--space-sm);
    background: rgba(59,130,246,0.15);
    border: 1px solid rgba(59,130,246,0.3);
    border-radius: 10px;
    color: var(--profit-accent);
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
}

/* Business Switcher */
.business-item {
    padding: var(--space-md);
    background-color: var(--bg-elevated);
    border-radius: 10px;
    margin-bottom: var(--space-sm);
    font-size: 0.9rem;
    cursor: pointer;
}

.business-item.active {
    border: 1px solid var(--profit-accent);
    color: var(--profit-accent);
}

/* ============================================
   DEBTORS LIST (Screen 3)
   ============================================ */
.debtors-list {
    margin-bottom: var(--space-md);
}

.debtor-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.debtor-card.late {
    border-left: 3px solid var(--deni-accent);
}

.debtor-info {
    flex: 1;
}

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

.debtor-amount {
    color: var(--deni-accent);
    font-weight: 700;
    font-size: 0.9rem;
}

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

.debtor-actions {
    display: flex;
    gap: var(--space-sm);
}

.debtor-btn {
    padding: var(--space-sm) var(--space-md);
    border-radius: 8px;
    border: none;
    font-family: var(--font-primary);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-paid {
    background-color: rgba(16,185,129,0.2);
    color: var(--earnings-accent);
}

.btn-call {
    background-color: rgba(59,130,246,0.2);
    color: var(--profit-accent);
}

/* ============================================
   BOTTOM INDICATORS
   ============================================ */
.screen-indicators {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    padding-bottom: calc(var(--space-sm) + var(--safe-area-bottom));
    flex-shrink: 0;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--border-color);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.dot.active {
    background-color: var(--profit-accent);
    width: 24px;
    border-radius: 4px;
}

/* ============================================
   FLOATING MIC BUTTON
   ============================================ */
.floating-mic {
    position: fixed;
    bottom: calc(60px + var(--safe-area-bottom));
    right: var(--space-lg);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--profit-accent), #2563EB);
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(59,130,246,0.4);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.floating-mic:active {
    transform: scale(0.9);
}

.floating-mic.listening {
    animation: micPulse 1.5s ease-in-out infinite;
    background: linear-gradient(135deg, var(--deni-accent), #DC2626);
}

@keyframes micPulse {
    0%, 100% { box-shadow: 0 8px 25px rgba(239,68,68,0.4); }
    50% { box-shadow: 0 8px 40px rgba(239,68,68,0.8); transform: scale(1.05); }
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    display: none;
    align-items: flex-end;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-sheet {
    width: 100%;
    max-width: 480px;
    background-color: var(--bg-secondary);
    border-radius: 24px 24px 0 0;
    padding: var(--space-lg);
    padding-bottom: calc(var(--space-xl) + var(--safe-area-bottom));
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-sheet {
    transform: translateY(0);
}

.modal-handle {
    width: 40px;
    height: 4px;
    background-color: var(--border-color);
    border-radius: 2px;
    margin: 0 auto var(--space-md);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background-color: var(--bg-card);
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
}

.modal-body {
    margin-bottom: var(--space-lg);
}

.input-group {
    margin-bottom: var(--space-md);
}

.input-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.amount-input-wrapper {
    display: flex;
    align-items: center;
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: var(--space-md);
    border: 2px solid var(--border-color);
}

.amount-input-wrapper:focus-within {
    border-color: var(--profit-accent);
}

.currency-symbol {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-right: var(--space-sm);
}

.amount-input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.8rem;
    font-weight: 700;
    font-family: var(--font-primary);
    outline: none;
    -moz-appearance: textfield;
}

.amount-input::-webkit-inner-spin-button,
.amount-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
}

.description-input {
    width: 100%;
    background-color: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: var(--space-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: var(--font-primary);
    outline: none;
}

.description-input:focus {
    border-color: var(--profit-accent);
}

.quick-descriptions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.quick-item {
    padding: var(--space-sm) var(--space-md);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-item:active {
    background-color: var(--profit-accent);
    color: white;
}

.modal-footer {
    display: flex;
    gap: var(--space-md);
}

.btn-cancel, .btn-confirm {
    flex: 1;
    padding: var(--space-md);
    border-radius: 12px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
}

.btn-cancel {
    background-color: var(--bg-card);
    color: var(--text-secondary);
}

.btn-confirm {
    background-color: var(--profit-accent);
    color: white;
}

.btn-confirm:active {
    background-color: #2563EB;
    transform: scale(0.98);
}

/* ============================================
   TOAST
   ============================================ */
.toast {
    position: fixed;
    top: var(--safe-area-top);
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transition: transform var(--transition-normal);
    z-index: 2000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast.success .toast-icon { color: var(--earnings-accent); }
.toast.error .toast-icon { color: var(--deni-accent); }

.toast-icon { font-size: 1.2rem; }
.toast-message { font-size: 0.85rem; font-weight: 500; }

/* ============================================
   INSTALL BANNER
   ============================================ */
.install-banner {
    position: fixed;
    bottom: calc(var(--safe-area-bottom) + 80px);
    left: var(--space-md);
    right: var(--space-md);
    background-color: var(--bg-card);
    border-radius: 16px;
    padding: var(--space-md);
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    display: none;
    z-index: 500;
    max-width: 480px;
    margin: 0 auto;
}

.install-banner.show {
    display: block;
    animation: slideUp 0.5s ease-out;
}

.install-content {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.install-icon { font-size: 2rem; }
.install-text { flex: 1; }

.install-text strong {
    color: var(--text-primary);
    font-size: 0.85rem;
    display: block;
}

.install-text span {
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.install-btn {
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--profit-accent);
    color: white;
    border: none;
    border-radius: 10px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
}

/* ============================================
   ADD BUTTON
   ============================================ */
.add-btn {
    width: 100%;
    padding: var(--space-md);
    background: none;
    border: 2px dashed var(--border-color);
    border-radius: 14px;
    color: var(--text-secondary);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.add-btn:active {
    border-color: var(--profit-accent);
    color: var(--profit-accent);
}

.full-width-btn {
    margin-top: var(--space-md);
}

/* ============================================
   RECENT LIST
   ============================================ */
.recent-list {
    background-color: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
}

.list-header {
    padding: var(--space-md);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.list-items {
    padding: var(--space-sm);
}

.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    border-radius: 10px;
}

.list-item:not(:last-child) {
    margin-bottom: var(--space-xs);
}

.list-item-left {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.list-item-icon {
    font-size: 1.2rem;
}

.list-item-desc {
    font-size: 0.85rem;
    font-weight: 500;
}

.list-item-time {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.list-item-amount {
    font-weight: 700;
    font-size: 0.9rem;
}

.list-item-amount.positive { color: var(--earnings-accent); }
.list-item-amount.negative { color: var(--spending-accent); }

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes slideUp {
    from { transform: translateY(100px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes cardPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

.card-updated {
    animation: cardPulse 0.5s ease-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Standalone Mode */
body.standalone-mode .install-banner {
    display: none !important;
}

/* Responsive */
@media (min-width: 480px) {
    .app-container {
        border-left: 1px solid var(--border-color);
        border-right: 1px solid var(--border-color);
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* Bar Chart */
.bar-chart {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.bar-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.bar-label {
    width: 100px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: right;
    flex-shrink: 0;
}

.bar-track {
    flex: 1;
    height: 20px;
    background-color: var(--bg-elevated);
    border-radius: 10px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--profit-accent), var(--profit-text));
    border-radius: 10px;
    transition: width 0.5s ease-out;
}

.bar-value {
    width: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    flex-shrink: 0;
}
/* ============================================
   FOOTER LINK
   ============================================ */
.app-footer {
    text-align: center;
    padding: var(--space-sm);
    padding-bottom: calc(var(--space-sm) + var(--safe-area-bottom));
    flex-shrink: 0;
    background-color: var(--bg-primary);
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: 500;
    padding: var(--space-xs) var(--space-md);
    border-radius: 12px;
    transition: all var(--transition-fast);
    display: inline-block;
}

.footer-link:active {
    color: var(--profit-accent);
    background-color: rgba(59, 130, 246, 0.1);
}

/* ============================================
   ABOUT MODAL
   ============================================ */
.about-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.about-overlay.active {
    display: flex;
    opacity: 1;
}

.about-sheet {
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    max-height: 90dvh;
    background-color: var(--bg-secondary);
    border-radius: 24px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: translateY(30px);
    transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    margin: var(--space-md);
}

.about-overlay.active .about-sheet {
    transform: translateY(0);
}

.about-handle {
    width: 40px;
    height: 4px;
    background-color: var(--border-color);
    border-radius: 2px;
    margin: var(--space-md) auto;
    flex-shrink: 0;
}

.about-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--space-lg) var(--space-md);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.about-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.about-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background-color: var(--bg-card);
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.about-close:active {
    background-color: var(--deni-accent);
    color: white;
}

.about-body {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: var(--space-lg);
    flex: 1;
}

/* About Hero */
.about-hero {
    text-align: center;
    padding: var(--space-xl) 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-lg);
}

.about-logo {
    font-size: 4rem;
    margin-bottom: var(--space-md);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.about-tagline {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--profit-accent);
    margin-bottom: var(--space-xs);
}

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

/* About Sections */
.about-section {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.about-section:last-child {
    border-bottom: none;
}

.about-section h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.about-section p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-sm);
}

/* Feature List */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.feature-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
    padding: var(--space-sm);
    border-radius: 12px;
    transition: background-color var(--transition-fast);
}

.feature-item:active {
    background-color: var(--bg-elevated);
}

.feature-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    width: 40px;
    text-align: center;
}

.feature-item strong {
    display: block;
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.feature-item span {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Privacy Box */
.privacy-box {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.privacy-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background-color: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.privacy-item span {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.privacy-item p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.privacy-item strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 2px;
}

/* Benefits List */
.benefits-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.benefit-item {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: var(--space-sm);
    border-radius: 8px;
    line-height: 1.5;
}

.benefit-item strong {
    color: var(--text-primary);
}

/* Steps List */
.steps-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.step {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--profit-accent), #2563EB);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step strong {
    display: block;
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.step span {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* FAQ */
.faq-item {
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    background-color: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.faq-item strong {
    display: block;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.faq-item p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* About Footer Note */
.about-footer-note {
    text-align: center;
    border-bottom: none;
}

.about-footer-note p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.about-copyright {
    font-size: 0.7rem !important;
    color: var(--text-muted) !important;
    margin-top: var(--space-lg);
}