/* ================================================
   ScamShield AI - Voice Honeypot Styles (Phase 2)
   Conversational UI with push-to-talk button
   ================================================ */

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-tertiary: #1a2234;
    --bg-card: #1e293b;

    --accent-primary: #00d4ff;
    --accent-secondary: #7c3aed;
    --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);

    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border-color: #334155;
    --border-glow: rgba(0, 212, 255, 0.3);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.2);
}

/* ================================================
   Reset & Base
   ================================================ */

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

html, body {
    height: 100%;
    font-family: var(--font-sans);
    font-size: 14px;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
}

/* ================================================
   Layout
   ================================================ */

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

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

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon { font-size: 28px; }

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.badge {
    padding: 4px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.badge.phase-2 {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.voice-health-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
}

.health-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--text-muted);
    animation: pulse-dot 2s infinite;
}

.health-dot.online  { background: var(--success); }
.health-dot.degraded { background: var(--warning); }
.health-dot.unhealthy { background: var(--danger); }

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 10px 20px;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-card);
    border-color: var(--accent-primary);
}

.btn-tertiary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-tertiary:hover:not(:disabled) {
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-danger {
    background: var(--danger);
    color: #ffffff;
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.75rem;
}

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

.main-content {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    flex: 1;
    overflow: hidden;
    min-height: 0;
}

/* ================================================
   Panels
   ================================================ */

.panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

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

.panel-header h2 {
    font-size: 1rem;
    font-weight: 600;
}

.session-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ================================================
   Talk Bar (bottom of chat panel)
   ================================================ */

.talk-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

.talk-bar-left,
.talk-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 140px;
}

.talk-bar-right {
    justify-content: flex-end;
}

/* ================================================
   Talk Button (central mic button)
   ================================================ */

.talk-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.25s ease;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.talk-button:hover:not(:disabled) {
    border-color: var(--accent-primary);
    box-shadow: 0 0 24px rgba(0, 212, 255, 0.25);
    transform: scale(1.05);
}

.talk-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.talk-button-icon {
    font-size: 28px;
    line-height: 1;
}

.talk-button-label {
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
    color: var(--text-secondary);
}

/* Recording state: pulsing red border + glow */
.talk-button.recording {
    border-color: var(--danger);
    background: rgba(239, 68, 68, 0.15);
    animation: talk-pulse 1.2s ease-in-out infinite;
}

.talk-button.recording .talk-button-label {
    color: var(--danger);
}

@keyframes talk-pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
    }
    50% {
        box-shadow: 0 0 0 16px rgba(239, 68, 68, 0);
    }
}

/* Processing state: spinning glow */
.talk-button.processing {
    border-color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
    animation: talk-spin-glow 1.5s linear infinite;
}

.talk-button.processing .talk-button-label {
    color: var(--warning);
}

@keyframes talk-spin-glow {
    0% { box-shadow: 0 0 12px rgba(245, 158, 11, 0.3); }
    50% { box-shadow: 0 0 24px rgba(245, 158, 11, 0.6); }
    100% { box-shadow: 0 0 12px rgba(245, 158, 11, 0.3); }
}

/* ================================================
   Recording Status (small pill in talk bar)
   ================================================ */

.recording-status {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.recording-status.ready .status-indicator {
    background: var(--text-secondary);
}
.recording-status.ready .status-label {
    color: var(--text-secondary);
}

.recording-status.recording .status-indicator {
    background: var(--danger);
    animation: rec-blink 0.8s ease-in-out infinite;
}
.recording-status.recording .status-label {
    color: var(--danger);
}

@keyframes rec-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.recording-status.processing .status-indicator {
    background: var(--warning);
    animation: proc-pulse 1s linear infinite;
}
.recording-status.processing .status-label {
    color: var(--warning);
}

@keyframes proc-pulse {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.4); }
    100% { transform: scale(1); }
}

/* ================================================
   Language Select & Upload (talk bar helpers)
   ================================================ */

.language-select {
    padding: 6px 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    cursor: pointer;
}

.language-select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.file-input-hidden {
    display: none;
}

/* ================================================
   Conversation Area
   ================================================ */

.conversation-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.conversation-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    color: var(--text-secondary);
    flex: 1;
}

.welcome-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
}

.conversation-welcome h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.conversation-welcome p {
    max-width: 420px;
    line-height: 1.7;
}

/* ================================================
   Chat Messages
   ================================================ */

.message {
    display: flex;
    gap: var(--spacing-md);
    animation: msg-in 0.3s ease;
    max-width: 100%;
}

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

.message.user { flex-direction: row-reverse; }
.message.ai   { flex-direction: row; }
.message.system { justify-content: center; }

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.message.user .message-avatar {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.message.ai .message-avatar {
    background: linear-gradient(135deg, #10b981, #059669);
}

.message-body {
    max-width: 70%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.message-sender {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
}

.message.user .message-sender { text-align: right; }

.message-bubble {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    line-height: 1.6;
    word-wrap: break-word;
}

.message.user .message-bubble {
    background: var(--bg-card);
    border-bottom-right-radius: 4px;
}

.message.ai .message-bubble {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(124, 58, 237, 0.15));
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-bottom-left-radius: 4px;
}

.message.system .message-bubble {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.25);
    color: var(--info);
    font-size: 0.85rem;
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    border-radius: var(--radius-md);
    max-width: 80%;
}

.message-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.7rem;
    color: var(--text-muted);
    padding: 0 var(--spacing-xs);
}

.message.user .message-meta { justify-content: flex-end; }

/* ================================================
   Audio Player (inline replay)
   ================================================ */

.ai-audio-player {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

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

.ai-audio-player audio::-webkit-media-controls-panel {
    background: var(--bg-card);
}

/* ================================================
   Sidebar Panels
   ================================================ */

.sidebar-panel { overflow-y: auto; }

.sidebar-section {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.sidebar-section h3 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

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

.metadata-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.metadata-card {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-sm);
}

.metadata-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.metadata-value {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    word-break: break-all;
}

.metadata-value.highlight { color: var(--accent-primary); }
.metadata-value.danger    { color: var(--danger); }
.metadata-value.success   { color: var(--success); }
.metadata-value.warning   { color: var(--warning); }

.metadata-card.full-width { grid-column: 1 / -1; }

/* ================================================
   Detection Result
   ================================================ */

.detection-result {
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
}

.detection-result.scam {
    border-left: 4px solid var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

.detection-result.safe {
    border-left: 4px solid var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.detection-badge {
    font-size: 1.1rem;
    font-weight: 700;
}

.detection-result.scam .detection-badge { color: var(--danger); }
.detection-result.safe .detection-badge { color: var(--success); }

.confidence-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    margin-top: var(--spacing-sm);
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.detection-details {
    margin-top: var(--spacing-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.no-data {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
    padding: var(--spacing-sm);
}

/* ================================================
   Intelligence Grid
   ================================================ */

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

.intel-card {
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    text-align: center;
}

.intel-icon { font-size: 24px; margin-bottom: 4px; }
.intel-label { font-size: 0.7rem; color: var(--text-muted); margin-bottom: 4px; }

.intel-value {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-primary);
    word-break: break-all;
}

.intel-value.has-data { color: var(--success); }

/* ================================================
   Voice Fraud
   ================================================ */

.fraud-result {
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
}

.fraud-result.high-risk   { border-left: 4px solid var(--danger);  background: rgba(239, 68, 68, 0.08); }
.fraud-result.medium-risk { border-left: 4px solid var(--warning); background: rgba(245, 158, 11, 0.08); }
.fraud-result.low-risk    { border-left: 4px solid var(--success); background: rgba(16, 185, 129, 0.08); }

/* ================================================
   Footer
   ================================================ */

.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

.footer a { color: var(--accent-primary); text-decoration: none; }
.footer a:hover { text-decoration: underline; }
.separator { margin: 0 var(--spacing-sm); }

/* ================================================
   Scrollbar
   ================================================ */

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-tertiary); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ================================================
   Error Banner
   ================================================ */

.error-banner {
    display: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(239, 68, 68, 0.15);
    border-bottom: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
    font-size: 0.85rem;
    text-align: center;
    flex-shrink: 0;
}

.error-banner.visible { display: block; }

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

@media (max-width: 1024px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    .sidebar-panel {
        max-height: 400px;
    }
    .message-body {
        max-width: 85%;
    }
}

@media (max-width: 640px) {
    .header {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) var(--spacing-md);
    }
    .main-content {
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }
    .talk-button {
        width: 64px;
        height: 64px;
    }
    .talk-button-icon {
        font-size: 22px;
    }
    .talk-bar-left,
    .talk-bar-right {
        min-width: auto;
    }
    .metadata-grid { grid-template-columns: 1fr; }
    .intel-grid { grid-template-columns: 1fr; }
}