:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #38bdf8;
    /* Cyan */
    --accent-glow: rgba(56, 189, 248, 0.5);
    --success-color: #4ade80;
    --danger-color: #f87171;
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    margin: 0;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 24px;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(56, 189, 248, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 40%);
}

/* Typography */
h1,
h2,
h3 {
    margin: 0;
    font-weight: 600;
}

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

/* Components */
.card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
}

.card:active {
    transform: scale(0.98);
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(45deg, #38bdf8, #8b5cf6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.balance-card {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(139, 92, 246, 0.2));
    border: 1px solid var(--accent-color);
}

.balance-amount {
    font-size: 1.8rem;
    font-weight: 700;
    text-shadow: 0 0 10px var(--accent-glow);
}

/* Category Tabs */
.category-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab-btn {
    flex: 1;
    min-width: 100px;
    padding: 12px 16px;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.tab-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    color: white;
    border-color: transparent;
}

.tab-btn i {
    margin-right: 6px;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.service-card:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
    border-color: var(--accent-color);
}

.service-card.active {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(139, 92, 246, 0.1));
    border-color: var(--accent-color);
}

.service-card .service-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    border-radius: 12px;
    font-size: 1.5rem;
}

.service-card .service-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 4px;
}

.service-card .service-price {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Pagination Controls */
.pagination-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 20px;
}

.page-btn {
    flex: 1;
    padding: 10px 16px;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.page-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-color);
}

.page-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.page-indicator {
    min-width: 50px;
    text-align: center;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Services Carousel (legacy - keeping for compatibility) */
.services-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    /* Force 3 columns */
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 4px;
    /* Scrollbar spacing */
}

.service-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 12px;
    text-align: center;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.3s;
}

.service-item.active {
    border-color: var(--accent-color);
    background: rgba(56, 189, 248, 0.1);
    box-shadow: 0 0 15px var(--accent-glow);
}

.service-icon {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--accent-color);
}

/* Chart Section */
.chart-container {
    height: 300px;
    position: relative;
    width: 100%;
}

/* Actions */
.action-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: opacity 0.2s;
}

.btn-primary {
    background: linear-gradient(90deg, #38bdf8, #8b5cf6);
    color: white;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

input {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    padding: 12px;
    border-radius: 8px;
    color: white;
    font-family: inherit;
}

input:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Modal */
.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: #1e293b;
    padding: 24px;
    border-radius: 16px;
    width: 80%;
    max-width: 320px;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s;
    z-index: 100;
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.modal.visible {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    pointer-events: all;
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 99;
}

.modal-backdrop.visible {
    opacity: 1;
    pointer-events: all;
}

.payment-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 16px;
}

.payment-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    cursor: pointer;
    border: 1px solid transparent;
}

.payment-btn:hover {
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.1);
}
/* ASR View Overlay */
.asr-view {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-color);
    z-index: 50;
    display: flex;
    flex-direction: column;
    animation: fadeIn 0.3s ease;
}

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

.asr-header {
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s;
}

.icon-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

/* Chat Interface */
.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.95rem;
    line-height: 1.5;
    animation: messageSlide 0.3s ease;
}

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

.message-user {
    align-self: flex-end;
    background: linear-gradient(135deg, var(--accent-color), #2563eb);
    color: white;
    border-bottom-right-radius: 4px;
}

.message-system {
    align-self: flex-start;
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.voice-bubble {
    display: flex;
    align-items: center;
    gap: 10px;
}

.voice-wave {
    display: flex;
    align-items: center;
    gap: 3px;
    height: 20px;
}

.bar {
    width: 3px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    animation: wave 1s infinite ease-in-out;
}

.bar:nth-child(2) { animation-delay: 0.2s; height: 60%; }
.bar:nth-child(3) { animation-delay: 0.4s; height: 80%; }
.bar:nth-child(4) { animation-delay: 0.1s; height: 50%; }

@keyframes wave {
    0%, 100% { height: 40%; }
    50% { height: 100%; }
}

/* Controls Area */
.asr-controls {
    padding: 24px;
    background: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.record-btn {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    font-size: 1.8rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.2);
}

.record-btn:active, .record-btn.recording {
    background: var(--danger-color);
    border-color: var(--danger-color);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(248, 113, 113, 0.5);
}

.recording-status {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}