/* LLM UI Styles */

/* Ensure the HTML hidden attribute works even when CSS sets a display value */
[hidden] { display: none !important; }

:root {
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #10b981;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;
    --color-bg-primary: #0f0f0f;
    --color-bg-secondary: #1a1a1a;
    --color-bg-tertiary: #262626;
    --color-bg-hover: #333333;
    --color-text-primary: #f5f5f5;
    --color-text-secondary: #a3a3a3;
    --color-text-tertiary: #737373;
    --color-border: #333333;
    --color-accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", Monaco, Inconsolata, "Fira Code", monospace;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --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 15px rgba(0, 0, 0, 0.5);
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
}

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

body {
    font-family: var(--font-sans);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* Auth */
.auth-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 420px);
    gap: 32px;
    align-items: center;
    padding: 48px;
}

.auth-hero {
    max-width: 640px;
}

.auth-hero h1 {
    font-size: clamp(2.4rem, 5vw, 4.5rem);
    line-height: 0.95;
    margin: 20px 0 16px;
}

.auth-subtitle {
    color: var(--color-text-secondary);
    font-size: 1rem;
    max-width: 54ch;
}

.auth-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    padding: 24px;
    box-shadow: var(--shadow-lg);
}

.auth-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 20px;
}

.auth-tab {
    border: 1px solid var(--color-border);
    background: var(--color-bg-primary);
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    font: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.auth-form {
    display: grid;
    gap: 14px;
}

.field label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 6px;
}

.field input {
    width: 100%;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    color: var(--color-text-primary);
    font: inherit;
}

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

.auth-submit {
    margin-top: 4px;
    width: 100%;
    justify-content: center;
}

.form-error {
    color: #fecaca;
    background: rgba(239, 68, 68, 0.14);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    font-size: 0.875rem;
}

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

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

.sidebar-header {
    padding: 16px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-text-primary);
}

.logo svg {
    color: var(--color-primary);
}

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

.conversation-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
    margin-bottom: 2px;
}

.conversation-item:hover {
    background: var(--color-bg-hover);
}

.conversation-item.active {
    background: var(--color-bg-tertiary);
}

.conversation-item svg {
    flex-shrink: 0;
    color: var(--color-text-secondary);
}

.conversation-title {
    flex: 1;
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conversation-actions {
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.conversation-item:hover .conversation-actions {
    opacity: 1;
}

.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--color-border);
}

.user-menu {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.user-details {
    min-width: 0;
}

.user-email {
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.main-header {
    height: 60px;
    padding: 0 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-left h1 {
    font-size: 1.1rem;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.model-selector {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    color: var(--color-text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    min-width: 180px;
}

.model-selector:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Chat Container */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

/* Welcome Message */
.welcome-message {
    max-width: 600px;
    margin: 60px auto;
    text-align: center;
}

.welcome-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: var(--radius-lg);
    background: var(--color-bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.welcome-message h2 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.welcome-message p {
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.quick-action-btn {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 10px 16px;
    color: var(--color-text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-action-btn:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-primary-light);
}

/* Message Bubbles */
.message {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.message.user {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.75rem;
}

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

.message.assistant .message-avatar {
    background: var(--color-bg-tertiary);
    color: var(--color-primary);
}

.message-content {
    flex: 1;
    min-width: 0;
}

.message-bubble {
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    line-height: 1.6;
}

.message.user .message-bubble {
    background: var(--color-bg-tertiary);
    border-bottom-right-radius: var(--radius-sm);
}

.message.assistant .message-bubble {
    background: var(--color-bg-secondary);
    border-bottom-left-radius: var(--radius-sm);
}

.message-bubble p {
    margin-bottom: 12px;
}

.message-bubble p:last-child {
    margin-bottom: 0;
}

.message-bubble pre {
    background: var(--color-bg-primary);
    padding: 16px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 12px 0;
}

.message-bubble code {
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.message-bubble code:not(pre code) {
    background: var(--color-bg-primary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.message-meta {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    margin-top: 4px;
    display: flex;
    gap: 12px;
    align-items: center;
}

.message-actions {
    display: flex;
    gap: 8px;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.message:hover .message-actions {
    opacity: 1;
}

.message-action-btn {
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    padding: 2px;
}

.message-action-btn:hover {
    color: var(--color-text-secondary);
}

/* Streaming indicator */
.streaming-indicator {
    display: flex;
    gap: 4px;
    padding: 8px 0;
}

.streaming-indicator span {
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: bounce 1.4s ease-in-out infinite both;
}

.streaming-indicator span:nth-child(1) { animation-delay: -0.32s; }
.streaming-indicator span:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Input Area */
.input-area {
    padding: 16px 20px;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-primary);
}

.input-toolbar {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.input-wrapper {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 8px 12px;
    transition: border-color var(--transition-fast);
}

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

#message-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-size: 0.9375rem;
    resize: none;
    max-height: 200px;
    min-height: 24px;
    font-family: inherit;
    line-height: 1.5;
}

#message-input:focus {
    outline: none;
}

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

.btn-send {
    width: 32px;
    height: 32px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.input-footer {
    margin-top: 8px;
    text-align: center;
}

.model-info {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
}

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

.btn-secondary:hover {
    background: var(--color-bg-hover);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8125rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid transparent;
}

.btn-icon:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow: hidden;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

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

.modal-body {
    padding: 20px;
    overflow-y: auto;
}

/* Form Elements */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 6px;
}

.form-group input[type="number"],
.form-group textarea {
    width: 100%;
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    color: var(--color-text-primary);
    font-size: 0.875rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group input[type="range"] {
    width: calc(100% - 50px);
    vertical-align: middle;
}

.range-value {
    display: inline-block;
    width: 40px;
    text-align: right;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Knowledge Base */
.kb-list {
    max-height: 300px;
    overflow-y: auto;
}

.kb-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.kb-item:hover {
    border-color: var(--color-primary);
}

.kb-item.selected {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
}

.kb-icon {
    color: var(--color-primary);
}

.kb-info {
    flex: 1;
}

.kb-name {
    font-weight: 500;
    font-size: 0.875rem;
}

.kb-meta {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
}

.kb-actions {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

/* Upload */
.upload-dropzone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.upload-dropzone:hover {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.05);
}

.upload-dropzone.drag-over {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
}

.upload-dropzone svg {
    color: var(--color-text-secondary);
    margin-bottom: 12px;
}

.upload-dropzone p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.upload-progress {
    margin-top: 16px;
    text-align: center;
}

.progress-bar {
    height: 6px;
    background: var(--color-bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: var(--color-accent-gradient);
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Mobile */
.mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .auth-shell {
        grid-template-columns: 1fr;
        padding: 24px 18px 32px;
    }

    .auth-hero h1 {
        font-size: 2.5rem;
    }

    .mobile-only {
        display: flex;
    }

    .sidebar {
        position: fixed;
        left: -280px;
        top: 0;
        bottom: 0;
        z-index: 100;
        transition: left var(--transition-normal);
    }

    .sidebar.open {
        left: 0;
    }

    .main-content {
        width: 100%;
    }

    .messages {
        padding: 12px;
    }

    .message {
        margin-bottom: 16px;
    }

    .quick-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .quick-action-btn {
        width: 100%;
    }
}

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

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

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

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

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.message {
    animation: fadeIn 0.2s ease;
}

/* Modal Variants */
.modal-lg .modal-content {
    max-width: 700px;
}

.modal-xl .modal-content {
    max-width: 900px;
}

/* File Manager Styles */
.file-table {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.file-table-header,
.file-table-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 80px;
    gap: 12px;
    padding: 12px;
    align-items: center;
}

.file-table-header {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 8px;
}

.file-table-row {
    background: var(--color-bg-primary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: background var(--transition-fast);
}

.file-table-row:hover {
    background: var(--color-bg-tertiary);
}

.file-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-size,
.file-date {
    color: var(--color-text-secondary);
}

.file-actions {
    text-align: right;
}

/* Document Table Styles */
.document-table {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.document-table-header,
.document-table-row {
    display: grid;
    grid-template-columns: 2fr 120px 100px;
    gap: 12px;
    padding: 12px;
    align-items: center;
}

.document-table-header {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 8px;
}

.document-table-row {
    background: var(--color-bg-primary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: background var(--transition-fast);
}

.document-table-row:hover {
    background: var(--color-bg-tertiary);
}

.doc-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.status-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
}

.status-pending::before {
    background: var(--color-warning);
}

.status-processing {
    background: rgba(99, 102, 241, 0.15);
    color: var(--color-primary-light);
}

.status-processing::before {
    background: var(--color-primary-light);
}

.status-completed {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-secondary);
}

.status-completed::before {
    background: var(--color-secondary);
}

.status-failed {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-danger);
}

.status-failed::before {
    background: var(--color-danger);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 16px;
}

.tab-btn {
    padding: 10px 16px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* KB Detail Header */
.kb-detail-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.kb-detail-header .kb-icon {
    flex-shrink: 0;
}

.kb-detail-info {
    flex: 1;
    min-width: 0;
}

.kb-detail-info h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.kb-detail-info p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Search Results */
.search-results-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.search-result-item {
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px;
    transition: border-color var(--transition-fast);
}

.search-result-item:hover {
    border-color: var(--color-primary);
}

.search-result-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.search-result-doc {
    font-weight: 600;
    font-size: 0.875rem;
}

.search-result-chunk {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    background: var(--color-bg-tertiary);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.search-result-score {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--color-primary);
    font-weight: 500;
}

.search-result-content {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.search-result-content mark {
    background: rgba(99, 102, 241, 0.3);
    color: inherit;
    padding: 1px 3px;
    border-radius: 2px;
}

/* Input Group */
.input-group {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.input-group .form-input {
    flex: 1;
}

/* Form Input (read-only variant) */
.form-input-readonly {
    background: var(--color-bg-tertiary) !important;
    color: var(--color-text-secondary) !important;
    cursor: not-allowed;
}

/* Sliders */
.slider-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.slider-group input[type="range"] {
    flex: 1;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: white;
    animation: slideInRight 0.3s ease;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

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

.toast-success {
    background: var(--color-secondary);
}

.toast-warning {
    background: var(--color-warning);
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-text-secondary);
}

.empty-state svg {
    color: var(--color-text-tertiary);
    margin-bottom: 12px;
}

.empty-state p {
    font-size: 0.875rem;
}

.empty-state.compact {
    padding: 20px 16px;
}

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

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