/* ========================================
   OLX Monitor - Telegram Mini App Styles
   Premium Design v2.0
   ======================================== */

:root {
    /* Primary Colors */
    --primary: #8B5CF6;
    --primary-light: #A78BFA;
    --primary-dark: #7C3AED;
    --primary-glow: rgba(139, 92, 246, 0.4);
    
    /* Gradients */
    --gradient-main: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --gradient-header: linear-gradient(145deg, #6366F1 0%, #8B5CF6 35%, #A855F7 70%, #D946EF 100%);
    --gradient-button: linear-gradient(135deg, #8B5CF6 0%, #A855F7 100%);
    --gradient-gold: linear-gradient(135deg, #F59E0B 0%, #FBBF24 50%, #FCD34D 100%);
    
    /* Accent Colors */
    --accent-yellow: #FBBF24;
    --accent-orange: #F97316;
    --accent-gold: #F59E0B;
    --accent-green: #10B981;
    --accent-blue: #3B82F6;
    
    /* Background Colors */
    --bg-dark: #0F0F1A;
    --bg-card: #1A1A2E;
    --bg-card-hover: #252542;
    --bg-input: #16162A;
    --bg-overlay: rgba(15, 15, 26, 0.95);
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #A1A1C7;
    --text-muted: #6B6B8D;
    
    /* Border & Effects */
    --border-color: rgba(139, 92, 246, 0.2);
    --border-active: rgba(139, 92, 246, 0.6);
    --glow-purple: 0 0 20px rgba(139, 92, 246, 0.3);
    --glow-yellow: 0 0 20px rgba(251, 191, 36, 0.3);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 4px 30px rgba(139, 92, 246, 0.25);
    
    /* Border Radius */
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    background-image: 
        radial-gradient(ellipse at top, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: var(--radius-full);
}

/* App Container */
.app-container {
    max-width: 480px;
    margin: 0 auto;
    padding-bottom: var(--space-xl);
    position: relative;
}

/* ========================================
   Header
   ======================================== */

.header {
    background: var(--gradient-header);
    padding: var(--space-xl) var(--space-lg);
    padding-top: 40px;
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    margin-bottom: var(--space-lg);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-glow);
}

.header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: shimmer 15s linear infinite;
}

@keyframes shimmer {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.header-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.header-title {
    color: var(--text-primary);
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: var(--space-xs);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    letter-spacing: -0.5px;
}

.header-subtitle {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--space-lg);
}

.header-buttons {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    margin-bottom: var(--space-sm);
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px 20px;
    border-radius: var(--radius-full);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::after {
    width: 300px;
    height: 300px;
}

.btn-how {
    background: var(--gradient-gold);
    color: #1F1F1F;
    box-shadow: var(--glow-yellow);
}

.btn-how:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 25px rgba(251, 191, 36, 0.4);
}

.btn-price {
    background: var(--gradient-gold);
    color: #1F1F1F;
    box-shadow: var(--glow-yellow);
}

.btn-price:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 25px rgba(251, 191, 36, 0.4);
}

.btn-referral {
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    color: #1F1F1F;
    backdrop-filter: blur(10px);
}

.btn-referral:hover {
    background: #FFFFFF;
    transform: translateY(-2px) scale(1.02);
}

/* Top referral button styling (same as top districts) */
.btn-referral-top {
    background: linear-gradient(135deg, #F59E0B 0%, #FBBF24 50%, #FCD34D 100%);
    border: 2px solid rgba(245, 158, 11, 0.6);
    color: #1F1F1F;
    font-weight: 800;
    animation: fireGlow 2s ease-in-out infinite;
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.5), 0 4px 20px rgba(251, 191, 36, 0.3);
}

.btn-referral-top:hover {
    background: linear-gradient(135deg, #FBBF24 0%, #FCD34D 50%, #FDE68A 100%);
    border-color: var(--accent-gold);
    box-shadow: 0 0 25px rgba(245, 158, 11, 0.7), 0 0 35px rgba(251, 191, 36, 0.5);
    transform: translateY(-2px) scale(1.02);
}

.btn-icon {
    font-size: 1.1rem;
}

/* ========================================
   Main Content
   ======================================== */

.main-content {
    padding: 0 var(--space-md);
}

/* ========================================
   Cards
   ======================================== */

.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-light), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.card:hover::before {
    opacity: 1;
}

.card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.card-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.card-header-icon {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xs);
}

.number-badge {
    width: 28px;
    height: 28px;
    background: var(--gradient-button);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 800;
    box-shadow: var(--glow-purple);
}

/* ========================================
   Option Chips
   ======================================== */

.options-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.option-chip {
    cursor: pointer;
}

.option-chip input {
    display: none;
}

.chip-content {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px 16px;
    background: var(--bg-input);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.chip-icon {
    font-size: 1rem;
}

.option-chip input:checked + .chip-content {
    background: rgba(139, 92, 246, 0.15);
    border-color: var(--primary);
    color: var(--primary-light);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.2);
}

.option-chip:hover .chip-content {
    border-color: var(--border-active);
    background: var(--bg-card-hover);
}

/* Top districts styling */
.option-chip-top .chip-content {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(251, 191, 36, 0.1) 100%);
    border-color: rgba(245, 158, 11, 0.4);
    position: relative;
}

.option-chip-top input:checked + .chip-content {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.25) 0%, rgba(251, 191, 36, 0.15) 100%);
    border-color: var(--accent-gold);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
    color: var(--accent-gold);
}

.option-chip-top:hover .chip-content {
    border-color: var(--accent-gold);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(251, 191, 36, 0.12) 100%);
}

/* Animated fire emoji for top districts */
.option-chip-top .chip-content {
    animation: fireGlow 2s ease-in-out infinite;
}

@keyframes fireGlow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(245, 158, 11, 0.3);
    }
    50% {
        box-shadow: 0 0 15px rgba(245, 158, 11, 0.6), 0 0 25px rgba(251, 191, 36, 0.4);
    }
}

.option-chip-top input:checked + .chip-content {
    animation: fireGlowChecked 1.5s ease-in-out infinite;
}

@keyframes fireGlowChecked {
    0%, 100% {
        box-shadow: 0 0 10px rgba(245, 158, 11, 0.5), 0 0 20px rgba(251, 191, 36, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(245, 158, 11, 0.8), 0 0 30px rgba(251, 191, 36, 0.5);
    }
}

/* ========================================
   Room Chips
   ======================================== */

.rooms-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.room-chip {
    cursor: pointer;
}

.room-chip input {
    display: none;
}

.room-content {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px 16px;
    background: var(--bg-input);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.room-badge {
    width: 22px;
    height: 22px;
    background: var(--gradient-button);
    color: var(--text-primary);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 800;
}

.room-badge.purple {
    background: linear-gradient(135deg, #8B5CF6 0%, #A855F7 100%);
}

.room-badge.green {
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
}

.room-badge.blue {
    background: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
}

.room-badge.orange {
    background: linear-gradient(135deg, #F97316 0%, #FB923C 100%);
}

.category-icon {
    font-size: 1.25rem;
}

.room-chip input:checked + .room-content {
    background: rgba(139, 92, 246, 0.15);
    border-color: var(--primary);
    color: var(--primary-light);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.2);
}

.room-chip:hover .room-content {
    border-color: var(--border-active);
    background: var(--bg-card-hover);
}

/* ========================================
   Save Button
   ======================================== */

.btn-save {
    width: 100%;
    padding: 18px var(--space-lg);
    background: var(--gradient-button);
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 800;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-glow);
    margin-top: var(--space-lg);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.3px;
}

.btn-save::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-save:hover::before {
    left: 100%;
}

.btn-save:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(139, 92, 246, 0.4);
}

.btn-save:active {
    transform: translateY(-1px);
}

.btn-save:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ========================================
   Modals
   ======================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    width: 100%;
    max-width: 480px;
    max-height: 85vh;
    transform: translateY(100%);
    transition: transform var(--transition-slow);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    border-bottom: none;
    box-shadow: 0 -10px 50px rgba(0, 0, 0, 0.5);
}

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

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

.modal-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.2rem;
    font-weight: 800;
}

.modal-icon {
    font-size: 1.3rem;
}

.modal-close {
    width: 36px;
    height: 36px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

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

.modal-content {
    padding: var(--space-lg);
    overflow-y: auto;
    flex: 1;
}

/* ========================================
   Success Modal
   ======================================== */

.modal-success {
    text-align: center;
}

.modal-success .modal-header {
    border-bottom: none;
    padding-bottom: var(--space-md);
}

.modal-success .modal-title {
    justify-content: center;
    color: var(--accent-green);
}

.success-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-md) 0;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.3);
    animation: successPulse 0.6s ease;
}

@keyframes successPulse {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.success-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
}

.success-message {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    max-width: 320px;
}

.btn-success-close {
    width: 100%;
    max-width: 280px;
    padding: 14px var(--space-lg);
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
    margin-top: var(--space-sm);
}

.btn-success-close:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(16, 185, 129, 0.4);
}

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

/* ========================================
   Steps
   ======================================== */

.step-item {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: var(--bg-input);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

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

.step-number {
    width: 36px;
    height: 36px;
    background: var(--gradient-button);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 800;
    flex-shrink: 0;
    box-shadow: var(--glow-purple);
}

.step-content h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.step-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ========================================
   Contact Info
   ======================================== */

.contact-info {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    text-align: center;
    margin-top: var(--space-lg);
}

.contact-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--primary-light);
    font-weight: 700;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.contact-link:hover {
    color: var(--primary);
}

.contact-btn {
    display: inline-block;
    padding: 12px 28px;
    background: var(--gradient-button);
    color: var(--text-primary);
    border-radius: var(--radius-full);
    font-weight: 700;
    text-decoration: none;
    transition: all var(--transition-normal);
    box-shadow: var(--glow-purple);
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(139, 92, 246, 0.4);
}

/* ========================================
   Price Cards
   ======================================== */

.price-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    background: var(--bg-input);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

.price-card:hover {
    border-color: var(--border-active);
    transform: translateX(4px);
}

.price-trial {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(168, 85, 247, 0.1) 100%);
    border-color: var(--primary);
}

.price-trial:hover {
    border-color: var(--primary-light);
}

.price-best {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(168, 85, 247, 0.1) 100%);
    border-color: var(--primary);
}

.price-name {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: 0.95rem;
    flex-wrap: wrap;
    color: var(--text-primary);
}

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

.price-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

.price-amount {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--accent-yellow);
    white-space: nowrap;
}

.discount-badge {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent-green);
    border-radius: var(--radius-full);
    font-size: 0.65rem;
    font-weight: 700;
    margin-left: var(--space-xs);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.discount-orange {
    background: rgba(249, 115, 22, 0.2);
    color: var(--accent-orange);
    border-color: rgba(249, 115, 22, 0.3);
}

.discount-purple {
    background: rgba(139, 92, 246, 0.2);
    color: var(--primary-light);
    border-color: rgba(139, 92, 246, 0.3);
}

.price-note {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
}

.price-note p {
    font-size: 0.85rem;
    color: var(--accent-blue);
}

/* ========================================
   Referral Section
   ======================================== */

.referral-link-section {
    margin-bottom: var(--space-lg);
}

.referral-link-section label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.referral-link-box {
    display: flex;
    gap: var(--space-sm);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
}

.referral-link-box input {
    flex: 1;
    background: transparent;
    border: none;
    font-family: inherit;
    font-size: 0.85rem;
    color: var(--text-primary);
    outline: none;
    min-width: 0;
}

.copy-btn {
    padding: 10px 16px;
    background: var(--gradient-button);
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-normal);
}

.copy-btn:hover {
    transform: scale(1.05);
}

.copy-btn.copied {
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
}

.referral-info {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
}

.referral-info h3 {
    font-size: 1rem;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.referral-info p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   Reward Cards
   ======================================== */

.reward-card {
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    position: relative;
    overflow: hidden;
}

.reward-gold {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(251, 191, 36, 0.1) 100%);
    border: 2px solid var(--accent-gold);
}

.reward-blue {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(96, 165, 250, 0.1) 100%);
    border: 2px solid var(--accent-blue);
}

.reward-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.reward-percent {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
}

.reward-blue .reward-percent {
    background: linear-gradient(135deg, #3B82F6, #60A5FA);
    -webkit-background-clip: text;
    background-clip: text;
}

.reward-example {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ========================================
   Benefits Card
   ======================================== */

.benefits-card {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(168, 85, 247, 0.05) 100%);
    border: 2px solid var(--primary);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.benefits-card h3 {
    font-size: 1rem;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.benefits-card ul {
    list-style: none;
}

.benefits-card li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    padding-left: 24px;
    position: relative;
}

.benefits-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: 700;
}

.benefits-card li strong {
    color: var(--text-primary);
}

/* ========================================
   Toast
   ======================================== */

.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: linear-gradient(135deg, #065F46 0%, #047857 100%);
    color: var(--text-primary);
    padding: 14px 28px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    box-shadow: 0 8px 30px rgba(16, 185, 129, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow);
    z-index: 2000;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.toast-icon {
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

/* ========================================
   Rooms cards visibility
   ======================================== */

.rooms-card {
    display: none;
    animation: slideIn 0.3s ease;
}

.rooms-card.visible {
    display: block;
}

/* Color-coded room sections */
#salePrivateRooms.visible {
    border-color: rgba(139, 92, 246, 0.4);
}

#rentPrivateRooms.visible {
    border-color: rgba(16, 185, 129, 0.4);
}

#saleBusinessRooms.visible {
    border-color: rgba(59, 130, 246, 0.4);
}

#rentBusinessRooms.visible {
    border-color: rgba(249, 115, 22, 0.4);
}

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

/* ========================================
   Card Animations
   ======================================== */

.card {
    animation: fadeInUp 0.4s ease forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card:nth-child(1) { animation-delay: 0.05s; }
.card:nth-child(2) { animation-delay: 0.1s; }
.card:nth-child(3) { animation-delay: 0.15s; }
.card:nth-child(4) { animation-delay: 0.2s; }
.card:nth-child(5) { animation-delay: 0.25s; }
.card:nth-child(6) { animation-delay: 0.3s; }
.card:nth-child(7) { animation-delay: 0.35s; }

/* ========================================
   Loading State
   ======================================== */

.btn-save.loading {
    position: relative;
    color: transparent;
}

.btn-save.loading::after {
    content: "";
    position: absolute;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--text-primary);
    border-radius: var(--radius-full);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   Safe Area for iOS
   ======================================== */

@supports (padding-bottom: env(safe-area-inset-bottom)) {
    .app-container {
        padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom));
    }
}

/* ========================================
   Admin Panel
   ======================================== */

.btn-admin {
    width: 100%;
    margin-top: var(--space-sm);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2) 0%, rgba(168, 85, 247, 0.1) 100%);
    border: 2px solid rgba(139, 92, 246, 0.5);
    color: var(--primary-light);
    font-weight: 700;
}

.btn-admin:hover {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.3) 0%, rgba(168, 85, 247, 0.2) 100%);
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.stat-card {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-light);
    margin-bottom: var(--space-xs);
}

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

.admin-referrals-list {
    max-height: 400px;
    overflow-y: auto;
}

.admin-referrer-card {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
}

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

.admin-referrer-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.admin-referrer-info strong {
    color: var(--text-primary);
    font-size: 1rem;
}

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

.admin-user-id {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.admin-referrals-badge {
    background: var(--gradient-button);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
}

.admin-referrals-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.admin-referral-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.admin-ref-name {
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.admin-ref-username {
    color: var(--text-secondary);
}

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

.loading-text,
.no-data,
.error-text {
    text-align: center;
    padding: var(--space-lg);
    color: var(--text-secondary);
}

.error-text {
    color: var(--accent-orange);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 360px) {
    .header-buttons {
        flex-direction: column;
    }
    
    .btn-how,
    .btn-price {
        width: 100%;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .header-title {
        font-size: 1.5rem;
    }
}

/* Tablet and larger */
@media (min-width: 481px) {
    .modal {
        border-radius: var(--radius-xl);
        margin: auto;
        max-height: 80vh;
    }
    
    .modal-overlay.active .modal {
        transform: translateY(0) scale(1);
        animation: modalPop 0.3s ease;
    }
    
    @keyframes modalPop {
        from {
            transform: scale(0.9);
            opacity: 0;
        }
        to {
            transform: scale(1);
            opacity: 1;
        }
    }
}