/* ===========================
   Voice AI Agent Dashboard
   Premium Dark Theme
   =========================== */

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

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary:rgb(17, 17, 30);
    --bg-card: rgba(22, 22, 40, 0.8);
    --bg-card-hover: rgba(30, 30, 55, 0.9);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.06);
    --border-glow: rgba(99, 102, 241, 0.3);
    --text-primary: #f0f0f5;
    --text-secondary: #8888a0;
    --text-muted: #55556a;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Effects */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 50% 50%, rgba(168, 85, 247, 0.04) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(2%, -2%) rotate(1deg); }
    66% { transform: translate(-1%, 1%) rotate(-0.5deg); }
}

/* Layout */
.app-container {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    margin-bottom: 24px;
    backdrop-filter: blur(20px);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header-logo {
    width: 44px;
    height: 44px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: var(--shadow-glow);
}

.header-title {
    font-size: 22px;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 400;
}

.header-actions {
    display: flex;
    gap: 10px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 2px 12px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-glow);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

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

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 22px;
    backdrop-filter: blur(20px);
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 14px;
}

.stat-icon.calls { background: rgba(99, 102, 241, 0.15); }
.stat-icon.today { background: rgba(34, 197, 94, 0.15); }
.stat-icon.duration { background: rgba(245, 158, 11, 0.15); }
.stat-icon.cost { background: rgba(59, 130, 246, 0.15); }

.stat-value {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
    line-height: 1.1;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Main Content */
.main-content {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 20px;
    min-height: 60vh;
}

/* Calls List Panel */
.calls-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
}

.panel-header {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border-color);
}

.panel-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}

.search-box {
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 10px 14px 10px 38px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-glass);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-box .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
}

.calls-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.calls-list::-webkit-scrollbar {
    width: 4px;
}

.calls-list::-webkit-scrollbar-track {
    background: transparent;
}

.calls-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.call-item {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 4px;
    border: 1px solid transparent;
}

.call-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-color);
}

.call-item.active {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--border-glow);
}

.call-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.call-caller {
    font-size: 14px;
    font-weight: 600;
}

.call-time {
    font-size: 12px;
    color: var(--text-muted);
}

.call-phone {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.call-summary-preview {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.call-meta {
    display: flex;
    gap: 10px;
    margin-top: 6px;
}

.call-badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 20px;
    font-weight: 500;
}

.badge-duration {
    background: rgba(245, 158, 11, 0.12);
    color: var(--warning);
}

.badge-status {
    background: rgba(34, 197, 94, 0.12);
    color: var(--success);
}

.badge-inbound {
    background: rgba(59, 130, 246, 0.12);
    color: var(--info);
}

/* Call Detail Panel */
.detail-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
}

.detail-header {
    padding: 22px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.detail-title-group h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
}

.detail-title-group p {
    font-size: 14px;
    color: var(--text-secondary);
}

.detail-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.detail-body::-webkit-scrollbar {
    width: 4px;
}

.detail-body::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

/* Detail Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.info-item {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 14px;
}

.info-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.info-value {
    font-size: 15px;
    font-weight: 500;
}

/* Summary Section */
.detail-section {
    margin-bottom: 24px;
}

.detail-section-title {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.summary-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    padding: 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

/* Transcript */
.transcript-container {
    max-height: 400px;
    overflow-y: auto;
    padding: 8px;
}

.transcript-message {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    align-items: flex-start;
}

.transcript-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    margin-top: 2px;
}

.transcript-avatar.ai {
    background: rgba(99, 102, 241, 0.2);
    color: var(--accent-primary);
}

.transcript-avatar.user {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.transcript-bubble {
    flex: 1;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    line-height: 1.5;
}

.transcript-bubble.ai {
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.15);
}

.transcript-bubble.user {
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.15);
}

.transcript-role {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Empty States */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 40px;
    text-align: center;
    height: 100%;
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.empty-state p {
    font-size: 14px;
    color: var(--text-secondary);
    max-width: 300px;
    line-height: 1.5;
}

/* Settings Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 560px;
    max-height: 85vh;
    overflow-y: auto;
    animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.modal-header {
    padding: 24px 28px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 600;
}

.modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-glass);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.modal-body {
    padding: 24px 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-glass);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

.modal-footer {
    padding: 16px 28px 24px;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* Setup Steps */
.setup-steps {
    margin-top: 16px;
}

.setup-step {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius-sm);
    background: var(--bg-glass);
    margin-bottom: 8px;
    border: 1px solid var(--border-color);
    font-size: 14px;
    line-height: 1.5;
}

.setup-step.success {
    border-color: rgba(34, 197, 94, 0.2);
    background: rgba(34, 197, 94, 0.05);
}

.setup-step.error {
    border-color: rgba(239, 68, 68, 0.2);
    background: rgba(239, 68, 68, 0.05);
}

/* Status Indicator */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 6px;
}

.status-dot.active {
    background: var(--success);
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.4);
    animation: pulse 2s infinite;
}

.status-dot.inactive {
    background: var(--text-muted);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    animation: toastIn 0.3s ease-out;
    max-width: 380px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.toast.success {
    border-left: 3px solid var(--success);
}

.toast.error {
    border-left: 3px solid var(--danger);
}

.toast.info {
    border-left: 3px solid var(--info);
}

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

/* Loading Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

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

.loading-overlay {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 14px;
}

/* Recording Player */
.recording-player {
    margin-top: 8px;
}

.recording-player audio {
    width: 100%;
    height: 36px;
    border-radius: var(--radius-sm);
}

/* Responsive */
@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .calls-panel {
        max-height: 400px;
    }
    
    .header {
        flex-direction: column;
        gap: 16px;
    }
    
    .header-actions {
        width: 100%;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .app-container {
        padding: 12px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .info-grid {
        grid-template-columns: 1fr 1fr;
    }
}