/* === CSS Variables === */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-elevated: #222230;
    
    --text-primary: #f5f5f7;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(99, 102, 241, 0.3);
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Typography */
    --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
}

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

html, body {
    height: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === Layout === */
.app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* === Header === */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    padding: 0 var(--space-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.header-left, .header-right {
    flex: 1;
}

.header-right {
    display: flex;
    justify-content: flex-end;
}

.header-center {
    flex: 0 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: 18px;
    letter-spacing: -0.02em;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    font-size: 13px;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--warning);
    animation: pulse 2s ease-in-out infinite;
}

.connection-status.connected .status-dot {
    background: var(--success);
    animation: none;
}

.connection-status.disconnected .status-dot {
    background: var(--error);
    animation: none;
}

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

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn:hover {
    background: var(--bg-elevated);
    border-color: var(--border-highlight);
}

.btn-primary {
    background: var(--accent-gradient);
    border: none;
    color: white;
    box-shadow: var(--shadow-sm), 0 0 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md), 0 0 30px rgba(99, 102, 241, 0.4);
}

.btn-demo {
    background: var(--accent-gradient);
    border: none;
    color: white;
}

.btn-large {
    padding: var(--space-md) var(--space-xl);
    font-size: 15px;
    border-radius: var(--radius-lg);
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
}

.btn-hangup {
    background: var(--error);
    border-color: var(--error);
}

.btn-hangup:hover {
    background: #dc2626;
    border-color: #dc2626;
}

.btn-success {
    background: var(--success) !important;
    border-color: var(--success) !important;
}

/* === Main Layout === */
.main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* === Calls Panel === */
.calls-panel {
    width: 280px;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    flex-shrink: 0;
}

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

.panel-header h2 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.call-count {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 var(--space-sm);
    font-size: 12px;
    font-weight: 700;
    color: white;
    background: var(--accent-gradient);
    border-radius: var(--radius-lg);
}

.calls-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-sm);
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--text-muted);
    text-align: center;
    padding: var(--space-lg);
}

.empty-state svg {
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

/* === Call Card === */
.call-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: var(--space-sm);
}

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

.call-card.active {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.call-card-avatar {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: 50%;
    color: white;
    flex-shrink: 0;
}

.call-card-info {
    flex: 1;
    min-width: 0;
}

.call-card-number {
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.call-card-status {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 12px;
    color: var(--text-muted);
}

.call-card-status.ringing {
    color: var(--warning);
}

.call-card-status.active {
    color: var(--success);
}

.call-card-duration {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-secondary);
}

/* === Workspace === */
.workspace {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-primary);
}

/* === Empty Workspace === */
.empty-workspace {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-2xl);
}

.empty-illustration {
    margin-bottom: var(--space-xl);
    animation: float 6s ease-in-out infinite;
}

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

.empty-workspace h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.empty-workspace p {
    color: var(--text-secondary);
    max-width: 400px;
    margin-bottom: var(--space-xl);
}

/* === Active Call View === */
.active-call {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

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

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

.caller-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: 50%;
    color: white;
}

.caller-details {
    display: flex;
    flex-direction: column;
}

.caller-number {
    font-size: 18px;
    font-weight: 700;
}

.call-duration {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--success);
}

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

/* === Call Content Grid === */
.call-content {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 1px;
    background: var(--border-color);
    overflow: hidden;
}

/* === Transcript Panel === */
.transcript-panel {
    display: flex;
    flex-direction: column;
    background: var(--bg-primary);
    overflow: hidden;
}

.panel-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

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

/* === Transcript Messages === */
.message {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    animation: slideIn 0.3s ease;
}

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

.message-avatar {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.message.operator .message-avatar {
    background: var(--accent-gradient);
    color: white;
}

.message.client .message-avatar {
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.message-content {
    flex: 1;
}

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

.message-sender {
    font-weight: 600;
    font-size: 13px;
}

.message.operator .message-sender {
    color: var(--accent-primary);
}

.message.client .message-sender {
    color: var(--text-secondary);
}

.message-time {
    font-size: 11px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.message-text {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-primary);
}

/* === Suggestions Panel === */
.suggestions-panel {
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    overflow: hidden;
}

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

.suggestion-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--text-muted);
    text-align: center;
}

.suggestion-placeholder svg {
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

/* === Suggestion Card === */
.suggestion-card {
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    animation: slideInRight 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.suggestion-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
}

.suggestion-card.objection::before {
    background: var(--error);
}

.suggestion-card.upsell::before {
    background: var(--success);
}

.suggestion-card.info::before {
    background: var(--info);
}

.suggestion-card.warning::before {
    background: var(--warning);
}

.suggestion-card.script::before {
    background: var(--accent-primary);
}

.suggestion-card.high {
    border-color: var(--error);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.2);
    animation: slideInRight 0.3s ease, pulseHighlight 2s ease infinite;
}

@keyframes pulseHighlight {
    0%, 100% { box-shadow: 0 0 20px rgba(239, 68, 68, 0.2); }
    50% { box-shadow: 0 0 30px rgba(239, 68, 68, 0.4); }
}

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

.suggestion-type {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.suggestion-card.objection .suggestion-type { color: var(--error); }
.suggestion-card.upsell .suggestion-type { color: var(--success); }
.suggestion-card.info .suggestion-type { color: var(--info); }
.suggestion-card.warning .suggestion-type { color: var(--warning); }
.suggestion-card.script .suggestion-type { color: var(--accent-primary); }

.suggestion-priority {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.suggestion-priority.high {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.suggestion-priority.medium {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.suggestion-priority.low {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.suggestion-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: var(--space-sm);
}

.suggestion-content {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--bg-elevated);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* === Responsive === */
@media (max-width: 1024px) {
    .call-content {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr 1fr;
    }
    
    .calls-panel {
        width: 240px;
    }
}

@media (max-width: 768px) {
    .calls-panel {
        position: absolute;
        left: 0;
        top: 64px;
        bottom: 0;
        z-index: 100;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .calls-panel.open {
        transform: translateX(0);
    }
}

/* === Incoming Call Dialog === */
.incoming-call-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.2s ease;
}

.incoming-call-dialog {
    background: var(--bg-elevated);
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    min-width: 400px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: slideUp 0.3s ease;
}

.incoming-call-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.incoming-call-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.incoming-call-body {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.caller-number-large {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent-primary);
    margin: 0 0 var(--space-md) 0;
    font-family: var(--font-mono);
}

.call-status {
    font-size: 16px;
    color: var(--text-secondary);
    margin: 0;
    animation: pulse 1.5s ease-in-out infinite;
}

.incoming-call-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

.btn-large {
    padding: var(--space-md) var(--space-xl);
    font-size: 16px;
    font-weight: 600;
    min-width: 140px;
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-success:hover {
    background: #16a34a;
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--error);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-2px);
}

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

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

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

/* === User Name === */
.user-name {
    color: var(--text-secondary);
    font-size: 14px;
}

/* === Panel Tabs === */
.panel-tabs {
    display: flex;
    gap: 8px;
}

.tab-btn {
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s;
}

.tab-btn:hover {
    background: var(--bg-elevated);
    border-color: var(--border-highlight);
}

.tab-btn.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

/* === Outbound Form === */
.outbound-form {
    background: var(--bg-elevated);
}

/* === History Item === */
.history-item {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.2s;
}

.history-item:hover {
    background: var(--bg-elevated);
}

.history-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.history-item-number {
    font-weight: 600;
    color: var(--text-primary);
}

.history-item-direction {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

.history-item-direction.inbound {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.history-item-direction.outbound {
    background: rgba(59, 130, 246, 0.2);
    color: var(--info);
}

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

.history-item-duration {
    font-size: 12px;
    color: var(--text-secondary);
}