/**
 * KI-Seminar Chat CSS
 * Chat-Interface und Dokument-Upload Styles
 */

/* Bridge: Map ki-seminar design tokens to chat CSS vars */
:root {
    --color-surface: var(--color-bg, #fff);
    --color-background: var(--color-bg-code, #f5f5f5);
    --color-text: var(--color-text, #111);
    --color-text-secondary: var(--color-text-secondary, #666);
    --color-text-on-primary: #fff;
    --color-primary: var(--color-h1, #2F6592);
    --color-primary-dark: #1a4a7a;
    --color-border: var(--color-border, #e5e5e5);
    --color-accent: #3d6911;
    --color-danger: #c53030;
}

[data-theme="dark"] {
    --color-surface: var(--color-bg, #1a1a1a);
    --color-background: var(--color-bg-code, #2d2d2d);
    --color-primary-dark: #5a8bb7;
    --color-accent: #7db33f;
}

/* Layout – break out of .site-main max-width */
.ksd-section {
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    padding: 2rem 0 4rem;
}

.ksd-section-full {
    padding-top: 1rem;
}

.ksd-container {
    display: flex;
    gap: 1rem;
    max-width: 52rem;
    min-height: 600px;
    margin: 0 auto;
    padding: 0 clamp(1rem, 3vw, 3rem);
    transition: max-width 0.3s ease;
}

.ksd-container.ksd-sidebar-open {
    max-width: calc(52rem + 300px + 1rem);
}

/* Chat Panel */
.ksd-chat-panel {
    flex: 1;
    min-width: 0;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background: var(--color-surface, #fff);
    border: 1px solid var(--color-border, #e0e0e0);
    border-radius: 12px;
    overflow: hidden;
    height: 600px;
}

.ksd-chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-border, #e0e0e0);
    background: var(--color-background, #fafafa);
}

.ksd-chat-title {
    font-weight: 600;
    font-size: 0.95rem;
}

.ksd-chat-status {
    font-size: 0.8rem;
    padding: 0.2rem 0.6rem;
    background: rgba(61, 105, 17, 0.1);
    border-radius: 10px;
    color: var(--color-accent, #3d6911);
}

/* Messages */
.ksd-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Custom Scrollbar für Chat */
.ksd-chat-messages::-webkit-scrollbar {
    width: 6px;
}

.ksd-chat-messages::-webkit-scrollbar-track {
    background: var(--color-background, #f5f5f5);
    border-radius: 3px;
}

.ksd-chat-messages::-webkit-scrollbar-thumb {
    background: var(--color-border, #ccc);
    border-radius: 3px;
}

.ksd-chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-secondary, #999);
}

.ksd-message {
    display: flex;
    gap: 0.75rem;
    max-width: 85%;
}

.ksd-message-system {
    align-self: flex-start;
}

.ksd-message-user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.ksd-message-avatar {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
}

.ksd-message-avatar img {
    width: 36px;
    height: 36px;
}

.ksd-message-user .ksd-message-avatar {
    background: var(--color-primary, #21588f);
}

.ksd-message-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.ksd-message-text {
    padding: 0.75rem 1rem;
    border-radius: 12px;
    line-height: 1.5;
    font-size: 0.95rem;
}

.ksd-message-system .ksd-message-text {
    background: var(--color-background, #f5f5f5);
    color: var(--color-text, #333);
    border-bottom-left-radius: 4px;
}

.ksd-message-user .ksd-message-text {
    background: var(--color-primary, #21588f);
    color: var(--color-text-on-primary, #fff);
    border-bottom-right-radius: 4px;
}

/* Typing Indicator */
.ksd-typing {
    display: flex;
    gap: 4px;
    padding: 0.75rem 1rem;
    background: var(--color-background, #f5f5f5);
    border-radius: 12px;
    border-bottom-left-radius: 4px;
}

.ksd-typing span {
    width: 8px;
    height: 8px;
    background: var(--color-text-secondary, #888);
    border-radius: 50%;
    animation: ksd-bounce 1.4s infinite ease-in-out both;
}

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

@keyframes ksd-bounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

/* Input Area */
.ksd-chat-input-area {
    padding: 1rem;
    border-top: 1px solid var(--color-border, #e0e0e0);
    background: var(--color-background, #fafafa);
}

.ksd-input-wrapper {
    display: flex;
    gap: 0.5rem;
    align-items: flex-end;
}

.ksd-chat-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border, #e0e0e0);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    resize: none;
    min-height: 44px;
    max-height: 120px;
    background: var(--color-surface, #fff);
    color: var(--color-text, #333);
}

.ksd-chat-input:focus {
    outline: 2px solid var(--color-primary, #21588f);
    outline-offset: 2px;
    border-color: var(--color-primary, #21588f);
}

.ksd-chat-input:disabled {
    background: var(--color-background, #f5f5f5);
    cursor: not-allowed;
}

.ksd-send-btn {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 8px;
    background: var(--color-primary, #21588f);
    color: var(--color-text-on-primary, #fff);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.ksd-send-btn:focus {
    outline: 2px solid var(--color-primary, #21588f);
    outline-offset: 2px;
}

.ksd-send-btn:hover:not(:disabled) {
    background: var(--color-primary-dark, #1a4a7a);
}

.ksd-send-btn:disabled {
    background: var(--color-border, #ccc);
    color: var(--color-text-secondary, #888);
    cursor: not-allowed;
}

/* Upload Button (inline, next to chat input) */
.ksd-upload-btn {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border: 1px solid var(--color-border, #e0e0e0);
    border-radius: 8px;
    background: var(--color-surface, #fff);
    color: var(--color-text-secondary, #888);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.ksd-upload-btn:hover {
    color: var(--color-primary, #21588f);
    border-color: var(--color-primary, #21588f);
    background: rgba(33, 88, 143, 0.03);
}

.ksd-upload-btn:focus {
    outline: 2px solid var(--color-primary, #21588f);
    outline-offset: 2px;
}

/* Settings Button (gear icon, same style as upload) */
.ksd-settings-btn {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border: 1px solid var(--color-border, #e0e0e0);
    border-radius: 8px;
    background: var(--color-surface, #fff);
    color: var(--color-text-secondary, #888);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.ksd-settings-btn:hover {
    color: var(--color-primary, #21588f);
    border-color: var(--color-primary, #21588f);
    background: rgba(33, 88, 143, 0.03);
}

.ksd-settings-btn:focus {
    outline: 2px solid var(--color-primary, #21588f);
    outline-offset: 2px;
}

.ksd-settings-btn.active {
    color: var(--color-primary, #21588f);
    border-color: var(--color-primary, #21588f);
}

/* Settings Panel (sidebar left of chat) */
.ksd-settings-panel {
    width: 280px;
    flex-shrink: 0;
    background: var(--color-surface, #fff);
    border: 1px solid var(--color-border, #e0e0e0);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-self: flex-start;
}

.ksd-settings-panel[hidden] {
    display: none;
}

.ksd-settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border, #e0e0e0);
    background: var(--color-background, #fafafa);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary, #666);
}

.ksd-settings-close {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--color-text-secondary, #888);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ksd-settings-close:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--color-text, #333);
}

.ksd-settings-body {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

@media (max-width: 700px) {
    .ksd-settings-panel {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 280px;
        z-index: 100;
        border-radius: 0;
        border-right: 1px solid var(--color-border);
        box-shadow: 2px 0 12px rgba(0, 0, 0, 0.1);
    }
}

/* File Info (inline bar above input) */
.ksd-file-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.75rem;
    background: rgba(61, 105, 17, 0.05);
    border: 1px solid rgba(61, 105, 17, 0.2);
    border-radius: 6px;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
}

.ksd-file-info[hidden] {
    display: none;
}

.ksd-file-icon {
    color: var(--color-accent, #3d6911);
}

.ksd-file-details {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ksd-file-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ksd-file-meta {
    color: var(--color-text-secondary, #888);
    white-space: nowrap;
}

.ksd-file-remove {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--color-text-secondary, #888);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ksd-file-remove:focus {
    outline: 2px solid var(--color-primary, #21588f);
    outline-offset: 2px;
}

.ksd-file-remove:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--color-danger, #c53030);
}

/* Graph Panel */
.ksd-graph-panel {
    flex: 1;
    background: var(--color-surface, #fff);
    border: 1px solid var(--color-border, #e0e0e0);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
}

.ksd-graph-container {
    flex: 1;
    min-height: 250px;
    border-radius: 8px;
    background: var(--color-background, #fafafa);
    position: relative;
}

.ksd-graph-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 1rem;
}

.ksd-graph-placeholder-text {
    font-size: 0.85rem;
    color: var(--color-text-secondary, #888);
    line-height: 1.5;
    margin-top: 0.75rem;
}

.ksd-graph-canvas {
    width: 100%;
    height: 100%;
}

/* Info Box */
.ksd-info {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    background: rgba(33, 88, 143, 0.05);
    border: 1px solid rgba(33, 88, 143, 0.15);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--color-text-secondary, #555);
}

.ksd-info strong {
    color: var(--color-primary, #21588f);
}

/* Responsive */
@media (max-width: 600px) {
    .ksd-chat-panel {
        flex-shrink: 1;
    }

    .ksd-chat-messages {
        min-height: 300px;
    }

    .ksd-file-meta {
        display: none;
    }
}

/* Pipeline Visualization */
.ksd-pipeline {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--color-background, #fafafa);
    border-radius: 8px;
}

.ksd-pipeline-step {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    transition: background 0.2s ease, opacity 0.2s ease;
}

.ksd-pipeline-step svg {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
}

.ksd-step-pending {
    opacity: 0.5;
    color: var(--color-text-secondary, #888);
}

.ksd-step-pending svg {
    color: var(--color-border, #ccc);
}

.ksd-step-active {
    background: rgba(33, 88, 143, 0.08);
    color: var(--color-primary, #21588f);
    font-weight: 500;
}

.ksd-step-active svg {
    color: var(--color-primary, #21588f);
    animation: ksd-spin 1s linear infinite;
}

@keyframes ksd-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.ksd-step-done {
    color: var(--color-accent, #3d6911);
}

.ksd-step-done svg {
    color: var(--color-accent, #3d6911);
}

.ksd-step-error {
    background: rgba(197, 48, 48, 0.08);
    color: var(--color-danger, #c53030);
}

.ksd-step-error svg {
    color: var(--color-danger, #c53030);
}

/* Document List */
.ksd-doc-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.ksd-doc-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--color-background, #f5f5f5);
    border-radius: 6px;
    font-size: 0.85rem;
}

.ksd-doc-item svg {
    flex-shrink: 0;
    color: var(--color-accent, #3d6911);
}

.ksd-doc-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ksd-doc-size {
    color: var(--color-text-secondary, #888);
    font-size: 0.75rem;
}

.ksd-doc-remove {
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: var(--color-text-secondary, #888);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: color 0.2s ease, background 0.2s ease;
}

.ksd-doc-remove:hover {
    color: var(--color-danger, #c53030);
    background: rgba(197, 48, 48, 0.08);
}

/* Session Info */
.ksd-session-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--color-text-secondary, #888);
    padding: 0.5rem 0;
    border-top: 1px solid var(--color-border, #e0e0e0);
    margin-top: 0.5rem;
}

/* Sources in Response */
.ksd-sources {
    margin-top: 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 0.8rem;
    color: var(--color-text-secondary, #666);
}

.ksd-sources-title {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.ksd-source-item {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-right: 0.75rem;
    opacity: 0.8;
}

.ksd-source-item svg {
    width: 12px;
    height: 12px;
}

/* Profile Editor Panel */
.ksd-profile-panel {
    background: var(--color-surface, #fff);
    border: 1px solid var(--color-border, #e0e0e0);
    border-radius: 12px;
    overflow: hidden;
}

.ksd-panel-toggle {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border: none;
    background: transparent;
    cursor: pointer;
    font-family: inherit;
    color: var(--color-text, #333);
    transition: background 0.2s ease;
}

.ksd-panel-toggle:hover {
    background: var(--color-background, #fafafa);
}

.ksd-panel-toggle:focus {
    outline: 2px solid var(--color-primary, #21588f);
    outline-offset: -2px;
}

.ksd-panel-toggle .ksd-panel-header {
    margin-bottom: 0;
}

.ksd-toggle-icon {
    transition: transform 0.2s ease;
}

.ksd-profile-panel.ksd-expanded .ksd-toggle-icon {
    transform: rotate(180deg);
}

.ksd-profile-content {
    padding: 0 1rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.ksd-profile-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.ksd-profile-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary, #666);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ksd-profile-input,
.ksd-profile-select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border, #e0e0e0);
    border-radius: 6px;
    font-size: 0.9rem;
    font-family: inherit;
    background: var(--color-surface, #fff);
    color: var(--color-text, #333);
    transition: border-color 0.2s ease;
}

.ksd-profile-input:focus,
.ksd-profile-select:focus {
    outline: 2px solid var(--color-primary, #21588f);
    outline-offset: 2px;
    border-color: var(--color-primary, #21588f);
}

.ksd-profile-checkbox {
    flex-direction: row;
    align-items: center;
}

.ksd-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
}

.ksd-checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary, #21588f);
}

.ksd-checkbox-label input[type="checkbox"]:focus {
    outline: 2px solid var(--color-primary, #21588f);
    outline-offset: 2px;
}

.ksd-profile-save {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    background: var(--color-primary, #21588f);
    color: var(--color-text-on-primary, #fff);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease;
    margin-top: 0.25rem;
}

.ksd-profile-save:hover {
    background: var(--color-primary-dark, #1a4a7a);
}

.ksd-profile-save:focus {
    outline: 2px solid var(--color-primary, #21588f);
    outline-offset: 2px;
}

.ksd-profile-save:disabled {
    background: var(--color-border, #ccc);
    cursor: not-allowed;
}

/* Chunk Visualization */
.ksd-chunks {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.75rem;
    overflow-y: auto;
    max-height: 100%;
}

.ksd-chunks-header {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary, #666);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border, #e0e0e0);
}

.ksd-chunk-node {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.6rem;
    background: var(--color-surface, #fff);
    border: 1px solid var(--color-border, #e0e0e0);
    border-radius: 6px;
    font-size: 0.8rem;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.ksd-chunk-index {
    font-weight: 600;
    color: var(--color-text-secondary, #888);
    min-width: 2.5rem;
}

.ksd-chunk-info {
    color: var(--color-text-secondary, #666);
    font-size: 0.75rem;
}

.ksd-chunk-active {
    background: rgba(61, 105, 17, 0.1);
    border-color: var(--color-accent, #3d6911);
}

.ksd-chunk-active .ksd-chunk-index {
    color: var(--color-accent, #3d6911);
}

.ksd-chunk-active .ksd-chunk-info {
    color: var(--color-accent, #3d6911);
}

/* Process Panel (collapsible like profile) */
.ksd-process-panel {
    background: var(--color-surface, #fff);
    border: 1px solid var(--color-border, #e0e0e0);
    border-radius: 12px;
    overflow: hidden;
}

.ksd-process-panel.ksd-expanded .ksd-toggle-icon {
    transform: rotate(180deg);
}

.ksd-process-content {
    padding: 0 1rem 1rem;
}

.ksd-process-content[hidden] {
    display: none;
}

.ksd-process-steps {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.ksd-process-step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--color-text-secondary, #888);
}

.ksd-step-icon {
    font-size: 0.9rem;
}

.ksd-process-step.active {
    background: rgba(33, 88, 143, 0.08);
    color: var(--color-primary, #21588f);
}

.ksd-process-step.active .ksd-step-icon::after {
    content: "◐";
    animation: ksd-spin 1s linear infinite;
    display: inline-block;
}

.ksd-process-step.active .ksd-step-icon {
    font-size: 0;
}

.ksd-process-step.done {
    color: var(--color-accent, #3d6911);
}

.ksd-process-step.done .ksd-step-icon {
    content: "●";
}

.ksd-process-step.error {
    color: var(--color-danger, #c53030);
}

.ksd-process-info {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-border, #e0e0e0);
    font-size: 0.8rem;
    color: var(--color-text-secondary, #666);
}

/* Chat Header Actions */
.ksd-chat-header-actions {
    display: flex;
    gap: 0.25rem;
    flex: 1;
    justify-content: flex-end;
    margin-right: 0.75rem;
}

.ksd-header-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    border: 1px solid var(--color-border, #e0e0e0);
    border-radius: 6px;
    background: var(--color-surface, #fff);
    color: var(--color-text-secondary, #666);
    font-size: 0.8rem;
    font-family: inherit;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.ksd-header-btn:hover {
    color: var(--color-primary, #21588f);
    border-color: var(--color-primary, #21588f);
    background: rgba(33, 88, 143, 0.03);
}

.ksd-header-btn.active {
    color: var(--color-primary, #21588f);
    border-color: var(--color-primary, #21588f);
    background: rgba(33, 88, 143, 0.06);
}

/* Sidebar Panel (shared for email, settings etc.) */
.ksd-sidebar-panel {
    width: 300px;
    flex-shrink: 0;
    background: var(--color-surface, #fff);
    border: 1px solid var(--color-border, #e0e0e0);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-self: stretch;
    max-height: calc(100vh - 120px);
}

.ksd-sidebar-panel[hidden] {
    display: none;
}

.ksd-sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border, #e0e0e0);
    background: var(--color-background, #fafafa);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary, #666);
}

.ksd-sidebar-close {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--color-text-secondary, #888);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ksd-sidebar-close:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--color-text, #333);
}

.ksd-sidebar-body {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

/* Email Folders */
.ksd-email-folders {
    display: flex;
    flex-direction: column;
    padding: 0.5rem;
    gap: 2px;
    border-bottom: 1px solid var(--color-border, #e0e0e0);
}

.ksd-email-folder {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--color-text, #333);
    font-size: 0.85rem;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s;
    text-align: left;
}

.ksd-email-folder:hover {
    background: var(--color-background, #f5f5f5);
}

.ksd-email-folder.active {
    background: rgba(33, 88, 143, 0.08);
    color: var(--color-primary, #21588f);
    font-weight: 500;
}

.ksd-email-folder svg {
    flex-shrink: 0;
}

.ksd-email-count {
    margin-left: auto;
    font-size: 0.75rem;
    background: var(--color-background, #eee);
    color: var(--color-text-secondary, #666);
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    min-width: 1.2rem;
    text-align: center;
}

.ksd-email-folder.active .ksd-email-count {
    background: rgba(33, 88, 143, 0.15);
    color: var(--color-primary, #21588f);
}

/* Email List */
.ksd-email-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ksd-email-item {
    display: flex;
    flex-direction: column;
    padding: 0.6rem 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s;
    border: none;
    background: transparent;
    text-align: left;
    font-family: inherit;
    width: 100%;
}

.ksd-email-item:hover {
    background: var(--color-background, #f5f5f5);
}

.ksd-email-item.unread .ksd-email-item-subject {
    font-weight: 600;
}

.ksd-email-item-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.5rem;
}

.ksd-email-item-from {
    font-size: 0.8rem;
    color: var(--color-text, #333);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ksd-email-item-date {
    font-size: 0.7rem;
    color: var(--color-text-secondary, #999);
    white-space: nowrap;
    flex-shrink: 0;
}

.ksd-email-item-subject {
    font-size: 0.82rem;
    color: var(--color-text, #333);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ksd-email-item-preview {
    font-size: 0.75rem;
    color: var(--color-text-secondary, #888);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

/* Email display in chat – full width, flat, single border */
.ksd-email-display {
    border: 1px solid var(--color-border, #e0e0e0);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    font-size: 0.9rem;
    width: 100%;
}

.ksd-email-display-subject {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.35rem;
}

.ksd-email-display-meta {
    font-size: 0.78rem;
    color: var(--color-text-secondary, #888);
    line-height: 1.4;
}

.ksd-email-display-body {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-border, #e0e0e0);
    line-height: 1.6;
    white-space: pre-line;
}

/* Email Action Buttons */
.ksd-email-actions {
    margin-top: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.ksd-email-actions-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary, #666);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.ksd-email-actions-label::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 24px;
    background: url('/assets/svg/artefakt-animiert.svg') no-repeat center;
    background-size: contain;
    flex-shrink: 0;
}

.ksd-email-actions-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.ksd-email-action {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--color-border, #e0e0e0);
    border-radius: 16px;
    background: var(--color-surface, #fff);
    color: var(--color-text, #333);
    font-size: 0.82rem;
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.ksd-email-action:hover {
    border-color: var(--color-primary, #21588f);
    color: var(--color-primary, #21588f);
    background: rgba(33, 88, 143, 0.04);
}

.ksd-action-group {
    display: inline-flex;
    gap: 0;
}

.ksd-action-group .ksd-email-action {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right: none;
}

.ksd-style-select {
    padding: 0.4rem 0.5rem;
    border: 1px solid var(--color-border, #e0e0e0);
    border-top-right-radius: 16px;
    border-bottom-right-radius: 16px;
    background: var(--color-surface, #fff);
    color: var(--color-text-secondary, #666);
    font-size: 0.78rem;
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.15s;
}

.ksd-style-select:hover,
.ksd-style-select:focus {
    border-color: var(--color-primary, #21588f);
    color: var(--color-primary, #21588f);
    outline: none;
}

@media (max-width: 700px) {
    .ksd-sidebar-panel {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 300px;
        z-index: 100;
        border-radius: 0;
        border-right: 1px solid var(--color-border);
        box-shadow: 2px 0 12px rgba(0, 0, 0, 0.1);
    }
}

/* Welcome Logo Animation */
.ksd-welcome-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 0;
    animation: ksd-spin 0.5s ease-out;
}

@keyframes ksd-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.ksd-welcome-logo.ksd-fade-out {
    opacity: 0;
    transition: opacity 0.4s ease;
}

/* YAML block in chat */
.ksd-yaml-block {
    background: var(--color-background, #f0f0f0);
    border: 1px solid var(--color-border, #e0e0e0);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.8rem;
    line-height: 1.5;
    white-space: pre;
    overflow-x: auto;
    margin: 0;
}

/* Welcome message text: preserve newlines, allow links */
.ksd-message-text a {
    color: var(--color-primary, #2F6592);
    text-decoration: underline;
}

.ksd-message-text a:hover {
    color: var(--color-primary-dark, #1a4a7a);
}