/* ===========================================
   Porsche Motorsport AI Chat - Style Sheet
   =========================================== */

/* CSS Variables - Porsche Motorsport Theme */
:root {
    /* Primary Colors */
    --color-primary: #d5001c;
    --color-primary-hover: #b8001a;
    --color-primary-light: #ff2d47;
    --color-primary-dark: #a00015;

    /* Background Colors (Dark Theme) */
    --color-bg-primary: #121212;
    --color-bg-secondary: #1a1a1a;
    --color-bg-tertiary: #242424;
    --color-bg-elevated: #2d2d2d;
    --color-bg-hover: #333333;

    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #b3b3b3;
    --color-text-tertiary: #808080;
    --color-text-muted: #666666;

    /* Accent Colors */
    --color-accent-blue: #4a9eff;
    --color-accent-green: #28a745;
    --color-accent-yellow: #ffc107;
    --color-accent-red: #dc3545;

    /* Message Colors */
    --color-msg-user: var(--color-primary);
    --color-msg-agent: var(--color-accent-blue);
    --color-msg-system: var(--color-text-tertiary);

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-xxl: 48px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(213, 0, 28, 0.3);

    /* Typography */
    --font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
    --font-mono: 'Consolas', 'Monaco', 'Courier New', monospace;
    --font-size-xs: 11px;
    --font-size-sm: 13px;
    --font-size-base: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 20px;
    --font-size-xxl: 24px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Layout */
    --header-height: 60px;
    --status-bar-height: 32px;
    --input-area-height: auto;
    --settings-width: 320px;
}

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

/* Base */
html, body {
    height: 100%;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo {
    height: 28px;
    width: auto;
    object-fit: contain;
}

.agent-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: 500;
}

/* ===========================================
   Buttons
   =========================================== */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

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

.btn-primary {
    background: var(--color-primary);
    color: var(--color-text-primary);
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
    transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--color-bg-hover);
    border-color: var(--color-text-tertiary);
}

.btn-icon {
    padding: var(--space-sm);
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-icon:hover:not(:disabled) {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
}

.btn-large {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-size-lg);
}

.btn-small {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-sm);
}

.btn-full-width {
    width: 100%;
    margin-top: var(--space-sm);
}

/* ===========================================
   Main Content
   =========================================== */
.main-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
    background: var(--color-bg-primary);
}

/* ===========================================
   Chat Container
   =========================================== */
.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
    scroll-behavior: smooth;
}

.messages {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* ===========================================
   Messages
   =========================================== */
.message {
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    animation: slideIn var(--transition-normal);
    max-width: 85%;
}

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

.message-user {
    align-self: flex-end;
    background: var(--color-bg-tertiary);
    border-left: 3px solid var(--color-msg-user);
}

.message-agent {
    align-self: flex-start;
    background: var(--color-bg-secondary);
    border-left: 3px solid var(--color-msg-agent);
}

.message-system {
    align-self: center;
    background: transparent;
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
    text-align: center;
    padding: var(--space-sm) var(--space-md);
}

.message-error {
    align-self: center;
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid var(--color-accent-red);
    color: var(--color-accent-red);
}

.message-mcp {
    align-self: flex-start;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-accent-yellow);
    border-left: 3px solid var(--color-accent-yellow);
    font-size: var(--font-size-sm);
}

.message-mcp .mcp-details {
    margin-top: var(--space-sm);
    padding: var(--space-sm);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
}

/* OAuth Consent Message */
.oauth-consent-message {
    align-self: center;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-accent-yellow);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    max-width: 400px;
}

.oauth-consent-content {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.oauth-consent-icon {
    flex-shrink: 0;
    color: var(--color-accent-yellow);
}

.oauth-consent-text {
    flex: 1;
}

.oauth-consent-text p {
    margin: 0 0 var(--space-sm) 0;
    color: var(--color-text-secondary);
}

.oauth-consent-text p strong {
    color: var(--color-text-primary);
}

.oauth-consent-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    margin: var(--space-sm) 0;
    text-decoration: none;
}

.oauth-consent-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    font-style: italic;
}

.message-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-xs);
    color: var(--color-text-tertiary);
}

.message-user .message-label {
    color: var(--color-primary);
}

.message-agent .message-label {
    color: var(--color-accent-blue);
}

.message-content {
    white-space: pre-wrap;
    word-break: break-word;
}

.message-content code {
    background: var(--color-bg-elevated);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
}

.message-content pre {
    background: var(--color-bg-elevated);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--space-sm) 0;
}

.message-content pre code {
    background: none;
    padding: 0;
}

/* Welcome Message */
.welcome-message {
    max-width: 500px;
    padding: var(--space-xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-bg-elevated);
}

.welcome-content {
    text-align: center;
}

.welcome-content h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
}

.welcome-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.auth-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-sm) 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-bg-elevated);
}

.auth-divider span {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.auth-buttons-secondary {
    display: flex;
    gap: var(--space-sm);
}

.auth-buttons-secondary .btn {
    flex: 1;
}

.btn-medium {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-base);
}

.btn-recommended {
    position: relative;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    box-shadow: var(--shadow-glow);
}

.btn-recommended:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-primary-hover) 0%, var(--color-primary) 100%);
    box-shadow: var(--shadow-glow), var(--shadow-md);
}

.btn-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--color-accent-green);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-badge-coming-soon {
    background: var(--color-accent-yellow);
    color: #1a1a1a;
}

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

.btn-coming-soon {
    position: relative;
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-coming-soon:hover {
    transform: none;
    box-shadow: none;
}

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

.btn-stop {
    background: var(--color-accent-red) !important;
    border-color: var(--color-accent-red) !important;
}

.btn-stop:hover:not(:disabled) {
    background: #c82333 !important;
}

/* ===========================================
   Input Area
   =========================================== */
.input-area {
    position: relative;
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-bg-elevated);
    flex-shrink: 0;
}

.input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: var(--space-sm);
    max-width: 900px;
    margin: 0 auto;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--space-sm);
    border: 1px solid var(--color-bg-elevated);
    transition: border-color var(--transition-fast);
}

.input-wrapper:focus-within {
    border-color: var(--color-primary);
}

.input-wrapper textarea {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    resize: none;
    padding: var(--space-sm);
    max-height: 120px;
    line-height: 1.5;
}

.input-wrapper textarea:focus {
    outline: none;
}

.input-wrapper textarea::placeholder {
    color: var(--color-text-tertiary);
}

.input-wrapper textarea:disabled {
    cursor: not-allowed;
}

/* Slash Command Menu */
.slash-command-menu {
    position: absolute;
    bottom: calc(100% - var(--space-md));
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - var(--space-lg) * 2);
    max-width: 900px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-bg-hover);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    z-index: 100;
}

.slash-command-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.slash-command-item:hover,
.slash-command-item.selected {
    background: var(--color-bg-hover);
}

.slash-command-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
}

.slash-command-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.slash-command-name {
    font-weight: 600;
    color: var(--color-text-primary);
    font-family: var(--font-mono);
}

.slash-command-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.voice-btn {
    position: relative;
}

.voice-btn.recording {
    color: var(--color-primary);
    animation: pulse 1.5s infinite;
}

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

.voice-btn.recording::after {
    content: '';
    position: absolute;
    inset: -4px;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    animation: pulse-ring 1.5s infinite;
}

@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.3); opacity: 0; }
}

.input-hints {
    text-align: center;
    padding-top: var(--space-xs);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.input-hints kbd {
    background: var(--color-bg-elevated);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
}

/* ===========================================
   Settings Panel
   =========================================== */
.settings-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: var(--settings-width);
    height: 100vh;
    background: var(--color-bg-secondary);
    border-left: 1px solid var(--color-bg-elevated);
    z-index: 100;
    transform: translateX(0);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.settings-panel.hidden {
    transform: translateX(100%);
}

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

.settings-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

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

.settings-section {
    margin-bottom: var(--space-xl);
}

.settings-section h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-md);
}

.setting-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) 0;
}

.setting-item label:first-child {
    color: var(--color-text-secondary);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-full);
    transition: background var(--transition-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: var(--color-text-primary);
    border-radius: 50%;
    transition: transform var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--color-primary);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

/* Select Input */
.select-input {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-bg-elevated);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    cursor: pointer;
    min-width: 150px;
}

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

/* Text Input */
.text-input {
    width: 100%;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-bg-elevated);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
}

.text-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.text-input::placeholder {
    color: var(--color-text-tertiary);
}

/* Form Group */
.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* Connection Info */
.connection-info {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-xs) 0;
}

.info-label {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

.info-value {
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Connection Method Badges */
.connection-method-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.connection-method-badge.method-rest-api {
    background: rgba(40, 167, 69, 0.2);
    color: var(--color-accent-green);
    border: 1px solid var(--color-accent-green);
}

.connection-method-badge.method-browser {
    background: rgba(74, 158, 255, 0.2);
    color: var(--color-accent-blue);
    border: 1px solid var(--color-accent-blue);
}

.connection-method-badge.method-cli {
    background: rgba(255, 193, 7, 0.2);
    color: var(--color-accent-yellow);
    border: 1px solid var(--color-accent-yellow);
}

.connection-switch-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

/* Conversation History */
.conversation-history {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.conversation-dropdown {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23808080' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.conversation-dropdown:hover {
    border-color: var(--color-primary);
}

.conversation-dropdown:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(213, 0, 28, 0.2);
}

.conversation-dropdown option {
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    padding: var(--space-sm);
}

.conversation-buttons {
    display: flex;
    gap: var(--space-xs);
}

.conversation-buttons .btn {
    flex: 1;
}

.conversation-buttons .btn-danger {
    flex: 0 0 auto;
    padding: var(--space-sm);
}

.conversation-buttons .btn-danger:hover:not(:disabled) {
    background: var(--color-accent-red);
    border-color: var(--color-accent-red);
}

/* Warning button style */
.btn-warning {
    border-color: var(--color-accent-yellow);
    color: var(--color-accent-yellow);
}

.btn-warning:hover:not(:disabled) {
    background: rgba(255, 193, 7, 0.2);
    border-color: var(--color-accent-yellow);
}

.conversation-buttons .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===========================================
   Modal
   =========================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
}

.modal.hidden {
    display: none;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.modal-content {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 100%;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    animation: modalIn var(--transition-normal);
}

.modal-content.modal-small {
    max-width: 350px;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

.modal-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

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

.modal-body {
    padding: var(--space-lg);
}

.approval-info {
    margin-bottom: var(--space-md);
}

.approval-info .info-row {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-bg-elevated);
}

.approval-args {
    margin-top: var(--space-md);
}

.approval-args pre {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    overflow-x: auto;
    max-height: 200px;
    margin-top: var(--space-sm);
}

.approval-args code {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-top: 1px solid var(--color-bg-elevated);
}

/* Device Code Modal */
.device-code-url {
    padding: var(--space-md);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    margin: var(--space-md) 0;
    text-align: center;
}

.device-code-url a {
    color: var(--color-accent-blue);
    text-decoration: none;
    font-weight: 500;
}

.device-code-url a:hover {
    text-decoration: underline;
}

.device-code-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--color-bg-tertiary);
    border: 2px dashed var(--color-primary);
    border-radius: var(--radius-lg);
    margin-top: var(--space-md);
}

.device-code-display code {
    font-family: var(--font-mono);
    font-size: var(--font-size-xxl);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 4px;
}

/* ===========================================
   Status Bar
   =========================================== */
.status-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--status-bar-height);
    padding: 0 var(--space-lg);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-bg-elevated);
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    flex-shrink: 0;
}

.status-left {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    transition: background var(--transition-fast);
}

.status-indicator.connected {
    background: var(--color-accent-green);
}

.status-indicator.connecting {
    background: var(--color-accent-yellow);
    animation: pulse 1.5s infinite;
}

.status-indicator.disconnected {
    background: var(--color-accent-red);
}

/* Loading Spinner */
.loading-spinner {
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-spinner.hidden {
    display: none;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-bg-elevated);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Message Loading Spinner */
.message-loading {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
}

.message-loading .spinner {
    width: 24px;
    height: 24px;
    border-width: 3px;
}

.message-loading-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* Markdown Content Styling */
.message-content h1,
.message-content h2,
.message-content h3,
.message-content h4 {
    margin: var(--space-md) 0 var(--space-sm) 0;
    color: var(--color-text-primary);
}

.message-content h1 { font-size: 1.5em; }
.message-content h2 { font-size: 1.3em; }
.message-content h3 { font-size: 1.1em; }

.message-content p {
    margin: var(--space-xs) 0;
}

.message-content p:empty,
.message-content p:blank {
    display: none;
    margin: 0;
    padding: 0;
    height: 0;
}

.message-content ul,
.message-content ol {
    margin: var(--space-sm) 0;
    padding-left: var(--space-lg);
}

.message-content li {
    margin: var(--space-xs) 0;
}

.message-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-md) 0;
    font-size: var(--font-size-sm);
}

.message-content th,
.message-content td {
    border: 1px solid var(--color-bg-elevated);
    padding: var(--space-sm);
    text-align: left;
}

.message-content th {
    background: var(--color-bg-tertiary);
    font-weight: 600;
}

.message-content blockquote {
    border-left: 3px solid var(--color-primary);
    padding-left: var(--space-md);
    margin: var(--space-md) 0;
    color: var(--color-text-secondary);
}

.message-content a {
    color: var(--color-accent-blue);
    text-decoration: none;
}

.message-content a:hover {
    text-decoration: underline;
}

.message-content hr {
    border: none;
    border-top: 1px solid var(--color-bg-elevated);
    margin: var(--space-md) 0;
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--color-bg-hover);
}

/* ===========================================
   Responsive
   =========================================== */
@media (max-width: 768px) {
    .header {
        padding: 0 var(--space-md);
    }

    .brand-text {
        display: none;
    }

    .chat-container {
        padding: var(--space-md);
    }

    .message {
        max-width: 95%;
    }

    .input-area {
        padding: var(--space-sm) var(--space-md);
    }

    .settings-panel {
        width: 100%;
    }

    .auth-buttons {
        flex-direction: column;
    }
}

/* ===========================================
   Utility Classes
   =========================================== */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===========================================
   Token Usage Display (Debug Mode)
   =========================================== */
.token-usage-display {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 12px;
    font-family: 'Monaco', 'Consolas', monospace;
    margin-left: auto;
    margin-right: var(--space-md);
}

.token-usage-display.hidden {
    display: none;
}

.token-stat {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.token-label {
    color: var(--color-text-tertiary);
    font-weight: 500;
}

.token-value {
    color: var(--color-accent-blue);
    font-weight: 600;
}

.token-total .token-value {
    color: var(--color-accent-yellow);
}

@media (max-width: 768px) {
    .token-usage-display {
        font-size: 10px;
        gap: var(--space-sm);
        padding: var(--space-xs) var(--space-sm);
    }
}

/* ===========================================
   Debug Status Display
   =========================================== */

.debug-status-display {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-family: var(--font-mono);
    margin-left: auto;
    margin-right: var(--space-md);
    max-width: 400px;
    overflow: hidden;
}

.debug-status-display.hidden {
    display: none;
}

.debug-status-display.status-running {
    border-left: 3px solid var(--color-accent-blue);
}

.debug-status-display.status-processing {
    border-left: 3px solid var(--color-accent-yellow);
}

.debug-status-display.status-warning {
    border-left: 3px solid var(--color-accent-yellow);
    background: rgba(255, 193, 7, 0.1);
}

.debug-status-display.status-error {
    border-left: 3px solid var(--color-accent-red);
    background: rgba(220, 53, 69, 0.1);
}

.debug-status-display.status-complete {
    border-left: 3px solid var(--color-accent-green);
}

.debug-status-phase {
    color: var(--color-accent-blue);
    font-weight: 600;
    white-space: nowrap;
}

.debug-status-detail {
    color: var(--color-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Loading Message Status Styles */

#loading-message.status-running .spinner {
    border-top-color: var(--color-accent-blue);
}

#loading-message.status-warning .spinner {
    border-top-color: var(--color-accent-yellow);
}

#loading-message.status-error .spinner {
    border-top-color: var(--color-accent-red);
    animation: none;
}

#loading-message .message-loading-text {
    transition: color var(--transition-fast);
}

#loading-message.status-warning .message-loading-text {
    color: var(--color-accent-yellow);
}

#loading-message.status-error .message-loading-text {
    color: var(--color-accent-red);
}

/* System message warning style */

.message-warning {
    border-left: 3px solid var(--color-accent-yellow);
    background: rgba(255, 193, 7, 0.1);
}

/* Error message with trace (debug mode) */

.message-error .message-content {
    white-space: pre-wrap;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
}

@media (max-width: 768px) {
    .debug-status-display {
        font-size: 9px;
        max-width: 200px;
        padding: var(--space-xs) var(--space-sm);
    }
}

/* ===========================================
   SAP OData Bot Tool Calls (Debug Mode)
   =========================================== */

.tool-calls-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin: var(--space-md) 0;
    padding: var(--space-md);
    background: rgba(30, 30, 35, 0.8);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
}

.tool-calls-container.completed {
    opacity: 0.7;
    border-color: var(--color-accent-green);
}

.tool-call-card {
    background: var(--color-surface);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
    font-size: var(--font-size-sm);
}

.tool-call-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(40, 40, 45, 0.8);
    border-bottom: 1px solid var(--color-border);
}

.tool-call-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: var(--color-accent-blue);
    color: white;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.tool-call-badge svg {
    opacity: 0.9;
}

.tool-call-name {
    flex: 1;
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--color-text-primary);
}

.tool-call-status {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-xs);
    padding: 2px 8px;
    border-radius: var(--border-radius-sm);
}

.tool-call-status.pending {
    background: rgba(255, 193, 7, 0.2);
    color: var(--color-accent-yellow);
}

.tool-call-status.success {
    background: rgba(76, 175, 80, 0.2);
    color: var(--color-accent-green);
}

.tool-call-status.error {
    background: rgba(213, 0, 28, 0.2);
    color: var(--color-accent-red);
}

.tool-call-status.cancelled {
    background: rgba(255, 193, 7, 0.2);
    color: var(--color-accent-yellow);
}

.spinner-small {
    width: 12px;
    height: 12px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.tool-call-args,
.tool-call-result {
    padding: var(--space-sm) var(--space-md);
}

.tool-call-args-label,
.tool-call-result-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tool-call-args pre,
.tool-call-result pre {
    margin: 0;
    padding: var(--space-sm);
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    max-height: 200px;
    overflow-y: auto;
}

.tool-call-args code,
.tool-call-result code {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-primary);
    white-space: pre-wrap;
    word-break: break-word;
}

.tool-call-result {
    border-top: 1px solid var(--color-border);
    background: rgba(76, 175, 80, 0.05);
}

.tool-call-result pre {
    background: rgba(76, 175, 80, 0.1);
}

/* Collapse tool calls when streaming response arrives */
.tool-calls-container + .message-agent {
    margin-top: var(--space-md);
}

/* ===========================================
   Thinking Bar (Progress Indicator)
   =========================================== */
.thinking-bar {
    margin-top: var(--space-sm);
    border: 1px solid var(--color-bg-elevated);
    border-radius: var(--radius-md);
    background: var(--color-bg-tertiary);
    overflow: hidden;
}

.thinking-bar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.thinking-bar-header:hover {
    background: var(--color-bg-hover);
}

.thinking-bar-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.thinking-bar-icon {
    color: var(--color-accent-blue);
    animation: pulse 2s ease-in-out infinite;
}

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

.thinking-bar-label {
    font-weight: 500;
}

.thinking-bar-count {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-xs);
}

.thinking-bar-chevron {
    color: var(--color-text-tertiary);
    transition: transform var(--transition-fast);
}

.thinking-bar.collapsed .thinking-bar-chevron {
    transform: rotate(-90deg);
}

.thinking-bar-content {
    max-height: 300px;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.thinking-bar.collapsed .thinking-bar-content {
    max-height: 0;
}

.thinking-steps {
    padding: var(--space-sm) var(--space-md);
    padding-top: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.thinking-step {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    background: var(--color-bg-secondary);
}

.thinking-step-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.thinking-step.running .thinking-step-icon {
    color: var(--color-accent-blue);
}

.thinking-step.done .thinking-step-icon {
    color: var(--color-accent-green);
}

.thinking-step.error .thinking-step-icon {
    color: var(--color-accent-red);
}

.thinking-step-spinner {
    width: 14px;
    height: 14px;
    border: 2px solid var(--color-accent-blue);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.thinking-step-text {
    color: var(--color-text-secondary);
    flex: 1;
}

.thinking-step.done .thinking-step-text {
    color: var(--color-text-tertiary);
}

/* Settings hint text */
.setting-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-top: var(--space-xs);
    font-style: italic;
}

/* ===========================================
   Voice Dots Indicator (LiveKit)
   =========================================== */
.voice-dots-container {
    max-width: 900px;
    margin: 0 auto var(--space-sm) auto;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.voice-dots-container.hidden { display: none; }
.voice-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-primary);
    opacity: 0.3;
    transform: scale(0.4);
    transition: transform 0.15s ease-out, opacity 0.15s ease-out;
}

/* Mute button state */
.btn-muted {
    color: var(--color-accent-red);
}

/* Voice button connecting state */
.voice-btn.connecting {
    color: var(--color-accent-yellow);
    animation: pulse 1s infinite;
}
.voice-btn.connecting::after {
    content: '';
    position: absolute;
    inset: -4px;
    border: 2px solid var(--color-accent-yellow);
    border-radius: 50%;
    animation: pulse-ring 1s infinite;
}

/* Voice button error state */
.voice-btn.voice-error { color: var(--color-accent-red); }

/* Voice controls wrapper */
.voice-controls {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* Mic device selector */
.mic-select {
    font-size: var(--font-size-xs);
    padding: 4px 6px;
    border: 1px solid var(--color-bg-elevated);
    border-radius: var(--radius-sm);
    background: var(--color-bg-secondary);
    color: var(--color-text-primary);
    max-width: 160px;
    cursor: pointer;
    outline: none;
}
.mic-select:focus { border-color: var(--color-primary); }
.mic-select.hidden { display: none; }

/* Voice message badge (mic icon in chat) */
.voice-message .message-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-left: var(--space-xs);
}
.voice-message .message-badge svg {
    flex-shrink: 0;
}