/* ── Core design tokens ─────────────────────────────────────────────────────
   Change ONLY these 5 colors + radius to re-theme the entire application.
   All other tokens are computed from them via color-mix().
   ──────────────────────────────────────────────────────────────────────────── */
:root {
    /* 1 ── Primary brand color (blue) */
    --app-primary: #3b82f6;
    /* 2 ── Accent / secondary (purple — reasoning, warnings) */
    --app-accent: #7c3aed;
    /* 3 ── Positive / success (green) */
    --app-success: #22c55e;
    /* 4 ── Negative / danger (red) */
    --app-danger: #ef4444;
    /* 5 ── Warning / caution (amber) */
    --app-warning: #d97706;
    /* 6 ── Global border-radius */
    --app-radius: 16px;

    /* ── Derived: primary shades ───────────────────────────────────────────── */
    --app-primary-dark: color-mix(in srgb, var(--app-primary), black 30%);
    --app-primary-darker: color-mix(in srgb, var(--app-primary), black 50%);
    --app-primary-light: color-mix(in srgb, var(--app-primary), white 30%);
    --app-primary-lighter: color-mix(in srgb, var(--app-primary), white 55%);
    --app-primary-subtle: color-mix(in srgb, var(--app-primary), white 85%);
    --app-primary-faint: color-mix(in srgb, var(--app-primary), white 92%);

    /* ── Derived: accent shades ────────────────────────────────────────────── */
    --app-accent-light: color-mix(in srgb, var(--app-accent), white 40%);
    --app-accent-faint: color-mix(in srgb, var(--app-accent), transparent 92%);

    /* ── Derived: success shades ───────────────────────────────────────────── */
    --app-success-dark: color-mix(in srgb, var(--app-success), black 25%);
    --app-success-light: color-mix(in srgb, var(--app-success), white 40%);
    --app-success-faint: color-mix(in srgb, var(--app-success), transparent 90%);

    /* ── Derived: danger shades ────────────────────────────────────────────── */
    --app-danger-dark: color-mix(in srgb, var(--app-danger), black 25%);
    --app-danger-light: color-mix(in srgb, var(--app-danger), white 50%);
    --app-danger-faint: color-mix(in srgb, var(--app-danger), transparent 90%);

    /* ── Derived: warning shades ───────────────────────────────────────────── */
    --app-warning-faint: color-mix(in srgb, var(--app-warning), white 80%);

    /* ── Derived: text & surface ───────────────────────────────────────────── */
    --app-text: #1e293b;
    --app-text-muted: color-mix(in srgb, var(--app-text), transparent 45%);
    --app-text-subtle: color-mix(in srgb, var(--app-text), transparent 65%);
    --app-surface: color-mix(in srgb, var(--app-primary), white 96%);
    --app-surface-card: #ffffff;

    /* ── Legacy aliases (mapped from core tokens — keeps downstream CSS working) */
    --theme-primary: var(--app-primary-darker);
    --theme-primary-light: var(--app-primary);
    --theme-primary-lighter: var(--app-primary-light);
    --theme-gray-light: color-mix(in srgb, var(--app-text), white 92%);
    --theme-gray: var(--app-text-muted);
    --theme-gray-dark: color-mix(in srgb, var(--app-text), white 15%);
    --theme-white: #ffffff;

    /* Sidebar tokens — derived from primary */
    --sidebar-bg: var(--app-primary-faint);
    --sidebar-active-bg: var(--app-primary-subtle);
    --sidebar-active-text: var(--app-primary-dark);
    --sidebar-hover-bg: color-mix(in srgb, var(--app-primary), white 90%);
    --sidebar-hover-text: var(--app-primary);
    --sidebar-text: color-mix(in srgb, var(--app-text), transparent 25%);
    --sidebar-muted: color-mix(in srgb, var(--app-text), transparent 45%);
    --sidebar-border: color-mix(in srgb, var(--app-primary), white 82%);
    --page-bg: var(--app-surface);
}

html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

body {
    background: var(--page-bg);
}

/* Soft pill global overrides for Radzen cards and panels */
.rz-card {
    border-radius: var(--app-radius) !important;
    border: 1px solid var(--sidebar-border) !important;
    box-shadow: 0 4px 20px color-mix(in srgb, var(--app-primary), transparent 93%) !important;
}

.rz-dialog-content {
    border-radius: var(--app-radius) !important;
}

.rz-button {
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.18s ease;
}

/* Primary button: match NavMenu blue gradient */
.rz-button.rz-primary {
    background: linear-gradient(135deg, var(--app-primary), var(--app-primary-dark)) !important;
    border-color: var(--app-primary-dark) !important;
    box-shadow: 0 2px 8px color-mix(in srgb, var(--app-primary-dark), transparent 82%);
}

.rz-button.rz-primary:hover {
    background: linear-gradient(135deg, var(--app-primary-light), var(--app-primary)) !important;
    box-shadow: 0 4px 12px color-mix(in srgb, var(--app-primary), transparent 72%);
}

/* Secondary button: subtle blue outline */
.rz-button.rz-secondary {
    background: color-mix(in srgb, var(--app-primary), transparent 92%) !important;
    border-color: var(--app-primary) !important;
    color: var(--app-primary) !important;
}

.rz-button.rz-secondary:hover {
    background: color-mix(in srgb, var(--app-primary), transparent 85%) !important;
}

/* Light button: subtle blue tint */
.rz-button.rz-light {
    background: color-mix(in srgb, var(--app-primary), transparent 94%) !important;
    color: var(--sidebar-text) !important;
}

.rz-button.rz-light:hover {
    background: color-mix(in srgb, var(--app-primary), transparent 88%) !important;
    color: var(--sidebar-active-text) !important;
}

/* Success button */
.rz-button.rz-success {
    background: linear-gradient(135deg, var(--app-success), var(--app-success-dark)) !important;
    border-color: var(--app-success-dark) !important;
    box-shadow: 0 2px 8px color-mix(in srgb, var(--app-success-dark), transparent 82%);
}

.rz-button.rz-success:hover {
    background: linear-gradient(135deg, var(--app-success-light), var(--app-success)) !important;
    box-shadow: 0 4px 12px color-mix(in srgb, var(--app-success), transparent 72%);
}

/* Warning button: accent color */
.rz-button.rz-warning {
    background: linear-gradient(135deg, var(--app-accent-light), var(--app-accent)) !important;
    border-color: var(--app-accent) !important;
    color: #fff !important;
    box-shadow: 0 2px 8px color-mix(in srgb, var(--app-accent), transparent 82%);
}

.rz-button.rz-warning:hover {
    background: linear-gradient(135deg, color-mix(in srgb, var(--app-accent), white 60%), var(--app-accent-light)) !important;
    box-shadow: 0 4px 12px color-mix(in srgb, var(--app-accent-light), transparent 72%);
}

/* Danger button */
.rz-button.rz-danger {
    background: linear-gradient(135deg, var(--app-danger-light), var(--app-danger-dark)) !important;
    border-color: var(--app-danger-dark) !important;
    box-shadow: 0 2px 8px color-mix(in srgb, var(--app-danger-dark), transparent 82%);
}

.rz-button.rz-danger:hover {
    background: linear-gradient(135deg, color-mix(in srgb, var(--app-danger), white 60%), var(--app-danger-light)) !important;
    box-shadow: 0 4px 12px color-mix(in srgb, var(--app-danger-light), transparent 72%);
}

a, .btn-link {
    color: var(--app-primary-darker);
}

.btn-primary {
    color: var(--app-surface-card);
    background-color: var(--app-primary);
    border-color: var(--app-primary-darker);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--app-primary-light);
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--app-success);
}

.invalid {
    outline: 1px solid var(--app-danger);
}

.validation-message {
    color: var(--app-danger);
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* Markdown Viewer Styles */
.markdown-viewer {
    line-height: 1.6;
}

.markdown-viewer h1,
.markdown-viewer h2,
.markdown-viewer h3,
.markdown-viewer h4,
.markdown-viewer h5,
.markdown-viewer h6 {
    margin-top: 1em;
    margin-bottom: 0.5em;
    font-weight: 600;
}

.markdown-viewer h1 {
    font-size: 2em;
    border-bottom: 1px solid #eaecef;
    padding-bottom: 0.3em;
}

.markdown-viewer h2 {
    font-size: 1.5em;
    border-bottom: 1px solid #eaecef;
    padding-bottom: 0.3em;
}

.markdown-viewer h3 {
    font-size: 1.25em;
}

.markdown-viewer h4 {
    font-size: 1em;
}

.markdown-viewer p {
    margin-bottom: 1em;
}

.markdown-viewer ul,
.markdown-viewer ol {
    margin-bottom: 1em;
    padding-left: 2em;
}

.markdown-viewer code {
    background-color: rgba(27, 31, 35, 0.05);
    border-radius: 3px;
    font-size: 85%;
    margin: 0;
    padding: 0.2em 0.4em;
    font-family: 'Courier New', Courier, monospace;
}

.markdown-viewer pre {
    background-color: #f6f8fa;
    border-radius: 6px;
    padding: 16px;
    overflow-x: auto;
    margin-bottom: 1em;
}

.markdown-viewer pre code {
    background-color: transparent;
    padding: 0;
    font-size: 100%;
}

.markdown-viewer blockquote {
    border-left: 4px solid #dfe2e5;
    padding-left: 1em;
    margin-left: 0;
    color: #6a737d;
    margin-bottom: 1em;
}

.markdown-viewer a {
    color: var(--app-primary);
    text-decoration: none;
}

.markdown-viewer a:hover {
    text-decoration: underline;
}

.markdown-viewer table {
    border-collapse: collapse;
    width: 100%;
    margin-bottom: 1em;
}

.markdown-viewer table th,
.markdown-viewer table td {
    border: 1px solid #dfe2e5;
    padding: 6px 13px;
}

.markdown-viewer table th {
    background-color: #f6f8fa;
    font-weight: 600;
}

.markdown-viewer img {
    max-width: 100%;
    height: auto;
}

.markdown-viewer hr {
    border: 0;
    border-top: 2px solid #eaecef;
    margin: 1.5em 0;
}

/* Radzen ContextMenu - compact styling */
.rz-context-menu {
    min-width: 160px;
    font-size: 0.85rem;
}

.rz-context-menu .rz-menuitem-link {
    padding: 0.35rem 0.6rem;
}

.rz-context-menu .rz-menuitem-icon {
    font-size: 1rem;
    width: 1.25rem;
}

/* Agent status message animations */
.agent-status-message {
    font-weight: bold;
    background: linear-gradient(90deg, var(--app-primary-darker), var(--app-primary), var(--app-primary-light), var(--app-primary), var(--app-primary-darker));
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 8s ease-in-out infinite;
    display: inline-block;
}

@keyframes gradient-shift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* Height of one plan header level — used to stack sticky RadzenPanel titlebars.
   Covers the task title row; result + AC are optional and rarely visible simultaneously. */
:root {
    --exec-plan-level-height: 2.2rem;
}

/* Execution step flat list — block layout so negative margin-top can close border gaps */
.exec-step-list {
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow-x: clip;
}

.exec-step-list > * + * {
    margin-top: 0.1rem;
}


/* Execution step group — legacy indent for work steps without a task panel (kept for safety) */
.exec-step-group {
    margin-left: 0.75rem;
    padding-left: 0.5rem;
    border-left: 1px solid color-mix(in srgb, var(--app-primary), transparent 75%);
}

/* Inline execution-step status (replaces top-level agent-status-message while generating) */
.exec-step-inline-status {
    padding: 0.1rem 0.5rem 0.1rem 0.35rem;
    animation: execStatusSlideIn 0.25s ease-out;
}

.exec-step-inline-status-text {
    font-size: 0.74rem;
    font-weight: 500;
    background: linear-gradient(90deg, var(--app-primary-dark), var(--app-primary), var(--app-primary-lighter), var(--app-primary), var(--app-primary-dark));
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 6s ease-in-out infinite;
    display: inline-block;
}

@keyframes execStatusSlideIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}


/* ===== Chat page layout (Chat + AgentChat) ===== */

/* Full height chain for chat pages — makes the layout fill the entire viewport
   at all viewport widths (fixes the grey gap visible at medium screen sizes) */
.page:has(.chat-page-container) {
    height: 100dvh;
    overflow: hidden;
}

main:has(.chat-page-container) {
    height: 100%;
    overflow: hidden;
}

.content:has(.chat-page-container) {
    height: 100%;
    overflow: hidden;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
}

/* Base styles (all screen sizes) */
.chat-page-container {
    display: flex;
    flex-direction: row;
    gap: 1rem;
    height: 100%;
}

.chat-sidebar {
    background-color: var(--bs-body-bg) !important;
    width: 300px;
    flex-shrink: 0;
    overflow: hidden;       /* Splitter/inner divs handle scrolling */
    display: flex;
    flex-direction: column;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

/* Hide scrollbars on all scrollable children inside the sidebar */
.chat-sidebar *::-webkit-scrollbar {
    display: none;
}

.chat-sidebar * {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.chat-sidebar-toggle {
    display: none !important;
}

.chat-sidebar-overlay {
    display: none;
}

.chat-main {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.chat-content-stack {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
    overflow: hidden;
    height: 100%;
    box-sizing: border-box;
}

.chat-header-area {
    flex-shrink: 0;
}

.chat-messages-area {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
    height: 100%;
    box-sizing: border-box;
}

.chat-messages-area::-webkit-scrollbar {
    display: none;
}

.chat-messages-area > .rz-card-content .rz-card {
    background-color: white;
}

.chat-input-area {
    flex-shrink: 0;
    height: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

/* Base layout — buttons row above textarea */
.chat-input-outer {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.chat-input-textarea-row {
    flex: 1;
    min-width: 0;
}

.chat-input-buttons-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* History nav arrows always side-by-side */
.chat-input-history-nav {
    flex-direction: row !important;
    gap: 0.25rem !important;
}

.chat-input-wrapper {
    position: relative;
    width: 100%;
}

.chat-mode-selector {
    margin-right: auto;
}

/* ===== Sidebar Kontext section (Files / Plan tabs below the chat list) ===== */

.sidebar-kontext-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.4rem 0.75rem 0.25rem;
    flex-shrink: 0;
    border-top: 1px solid var(--rz-border-color);
    background: color-mix(in srgb, var(--rz-base-900) 8%, transparent);
}

.sidebar-kontext-tabs {
    display: flex;
    gap: 0.25rem;
}

.sidebar-kontext-tab {
    padding: 0.15rem 0.6rem;
    border-radius: 12px;
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    color: var(--rz-text-secondary-color);
    background: transparent;
    transition: background 0.15s, color 0.15s;
    user-select: none;
}

.sidebar-kontext-tab:hover {
    background: var(--app-primary-subtle);
    color: var(--app-primary);
}

.sidebar-kontext-tab.active {
    background: var(--app-primary-subtle);
    color: var(--app-primary);
    font-weight: 600;
}

.sidebar-kontext-content {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem 0.75rem;
    min-height: 0;
    background: color-mix(in srgb, var(--rz-base-900) 12%, transparent);
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.sidebar-kontext-content::-webkit-scrollbar {
    display: none;
}

/* Lazy image placeholder & reveal */
.lazy-image-container {
    display: inline-block;
    position: relative;
}

.lazy-image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, color-mix(in srgb, var(--app-primary), white 85%), var(--app-surface));
    border: 2px dashed var(--app-text-muted);
    border-radius: calc(var(--app-radius) / 2);
    cursor: pointer;
    transition: border-color .2s, background .5s;
    gap: 0.5rem;
}

.lazy-image-placeholder:hover {
    border-color: var(--app-primary);
    background: linear-gradient(135deg, var(--app-primary-subtle), color-mix(in srgb, var(--app-accent), white 92%));
}

.lazy-image-placeholder-icon {
    font-size: 2.5rem;
    opacity: 0.6;
}

.lazy-image-placeholder-text {
    font-size: 0.85rem;
    color: var(--app-text-muted);
    font-weight: 500;
}

.lazy-image-reveal {
    animation: lazy-image-fade-in .5s ease-out;
}

@keyframes lazy-image-fade-in {
    from {
        opacity: 0;
        transform: scale(0.96);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Lazy video placeholder & reveal */
.lazy-video-container {
    display: inline-block;
    position: relative;
}

.lazy-video-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, color-mix(in srgb, var(--app-primary), white 85%), var(--app-surface));
    border: 2px dashed var(--app-text-muted);
    border-radius: calc(var(--app-radius) / 2);
    cursor: pointer;
    transition: border-color .2s, background .5s;
    gap: 0.5rem;
}

.lazy-video-placeholder:hover {
    border-color: var(--app-primary);
    background: linear-gradient(135deg, var(--app-primary-subtle), color-mix(in srgb, var(--app-accent), white 92%));
}

.lazy-video-placeholder-icon {
    font-size: 2.5rem;
    opacity: 0.6;
}

.lazy-video-placeholder-text {
    font-size: 0.85rem;
    color: var(--app-text-muted);
    font-weight: 500;
}

.lazy-video-reveal {
    animation: lazy-video-fade-in .5s ease-out;
}

@keyframes lazy-video-fade-in {
    from {
        opacity: 0;
        transform: scale(0.96);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Focused message (J/K navigation or click) */
.chat-message-focused {
    box-shadow: 0 6px 24px color-mix(in srgb, var(--app-primary), transparent 55%), 0 0 0 2px color-mix(in srgb, var(--app-primary), transparent 70%) !important;
    transform: translateY(-1px);
    transition: box-shadow 0.25s ease, transform 0.25s ease;
    animation: message-focus-glow 0.3s ease-out;
    position: relative;
    z-index: 1;
}

@keyframes message-focus-glow {
    0%   { box-shadow: 0 2px 8px color-mix(in srgb, var(--app-primary), transparent 85%); }
    60%  { box-shadow: 0 8px 32px color-mix(in srgb, var(--app-primary), transparent 35%), 0 0 0 3px color-mix(in srgb, var(--app-primary), transparent 60%); }
    100% { box-shadow: 0 6px 24px color-mix(in srgb, var(--app-primary), transparent 55%), 0 0 0 2px color-mix(in srgb, var(--app-primary), transparent 70%); }
}
/* ── Code block copy button (Feature 2) ───────────────────────── */
.code-copy-btn {
    position: absolute;
    top: 0.25rem;
    right: 0.5rem;
    font-size: 1.1rem;
    background: rgba(var(--rz-primary-light), 0.12);
    color: var(--bs-code-color, #b00);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s ease;
    z-index: 10;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    min-height: 1.8rem;
}

.code-copy-btn:hover {
    background: rgba(var(--rz-primary-light), 0.2);
    transform: translateY(-1px);
}

.code-copy-btn i {
    font-size: 1rem;
    line-height: 1;
}

pre:hover .code-copy-btn {
    opacity: 1;
}

/* ── Code language indicator ──────────────────────────────────── */
.code-language-indicator {
    position: absolute;
    top: 0.25rem;
    left: 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--bs-code-color, #b00);
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 10;
    pointer-events: none;
}

/* ── Thinking-mode pulse badge (Feature 6) ────────────────────── */
.thinking-pulse-badge {
    display: inline-block;
    padding: 0.1rem 0.55rem;
    border-radius: 1rem;
    font-size: 0.7rem;
    background: var(--rz-primary-lighter, rgba(99, 102, 241, 0.15));
    color: var(--rz-primary, #6366f1);
    animation: thinking-pulse 1.4s ease-in-out infinite;
}

@keyframes thinking-pulse {
    0%,  100% { opacity: 1; }
    50%        { opacity: 0.35; }
}

/* ── Search term highlighting (Feature 3) ───────────────────────── */
.search-highlight {
    background-color: color-mix(in srgb, var(--app-primary-light), transparent 65%);
    padding: 0.05rem 0;
    border-radius: 2px;
}

/* ── WorkDirectoryFilesView — 3-column grid layout ────────────── */
.wdf-header-row,
.wdf-entry-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-family: monospace;
}

.wdf-header-row {
    font-weight: 600;
    font-size: 0.7rem;
    color: var(--rz-text-secondary-color);
    border-bottom: 1px solid var(--rz-border-color, #e0e0e0);
    padding: 0.25rem 0;
    user-select: none;
}

.wdf-header-cell {
    cursor: pointer;
    white-space: nowrap;
    padding: 0.1rem 0.2rem;
    border-radius: 3px;
    transition: background 0.15s;
}

.wdf-header-cell:hover {
    background: color-mix(in srgb, var(--app-primary-light), transparent 85%);
}

.wdf-entry-row {
    padding: 0.15rem 0;
    border-radius: 3px;
    transition: background 0.15s;
}

.wdf-cell {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    min-width: 0;
}

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

.wdf-cell--size,
.wdf-cell--date {
    font-size: 0.7rem;
    color: var(--rz-base-700);
    flex-shrink: 0;
    white-space: nowrap;
    justify-content: flex-end;
}

.wdf-file-link {
    text-decoration: none;
    color: inherit;
}

/* Highlight animation — light blue fade to transparent over 3 seconds */
.wdf-row-highlight {
    animation: wdf-highlight-fade 5s ease-out forwards;
}

@keyframes wdf-highlight-fade {
    0%   { background-color: color-mix(in srgb, var(--app-primary-light), transparent 65%); }
    100% { background-color: transparent; }
}

/* Mobile-specific responsive utilities */
@media (max-width: 640px) {
    /* Reduce padding on mobile */
    .rz-p-4 {
        padding: 1rem !important;
    }

    /* Make dialogs full-width on mobile */
    .dialog-content {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        max-height: 100vh !important;
        border-radius: 0 !important;
    }

    .dialog-overlay {
        padding: 0 !important;
    }

    /* Make Radzen cards adapt better */
    .rz-card {
        margin-bottom: 0.5rem;
    }

    /* Stack horizontal stacks vertically on mobile */
    .mobile-stack-vertical {
        flex-direction: column !important;
    }

    /* Hide elements on mobile */
    .mobile-hide {
        display: none !important;
    }

    /* Make buttons full width on mobile when needed */
    .mobile-full-width {
        width: 100% !important;
    }

    /* Adjust text sizes for mobile */
    h1, .rz-text-h1 {
        font-size: 1.75rem !important;
    }

    h2, .rz-text-h2 {
        font-size: 1.5rem !important;
    }

    h3, .rz-text-h3 {
        font-size: 1.25rem !important;
    }

    h4, .rz-text-h4 {
        font-size: 1.1rem !important;
    }

    h5, .rz-text-h5 {
        font-size: 1rem !important;
    }

    /* Improve table responsiveness */
    .rz-datatable {
        font-size: 0.85rem;
    }

    /* Make forms more mobile friendly */
    .rz-textbox,
    .rz-textarea,
    .rz-dropdown,
    .rz-numeric {
        font-size: 16px !important; /* Prevents zoom on iOS */
    }

    .chat-page-container {
        height: calc(100vh - 3.5rem);
    }
}

/* ── Icon theming utilities ────────────────────────────────── */

/* White with a very subtle green tint – for SVG <img> icons on colored buttons */
.icon-btn-light {
    filter: brightness(0) invert(1) sepia(0.08) hue-rotate(100deg) saturate(1.5);
}

/* ===== Medium-screen (tablet) styles for chat pages ===== */
@media (min-width: 769px) and (max-width: 1292px) {
    /* Ensure full height chain: main → article → chat container */
    main:has(.chat-page-container) {
        height: 100vh;
        overflow: hidden;
    }

    .content:has(.chat-page-container) {
        padding: 0 !important;
        height: 100%;
        box-sizing: border-box;
    }

    .chat-page-container {
        height: 100%;
        gap: 0;
    }

    .chat-content-stack {
        padding: 0.5rem;
        gap: 0.4rem;
    }
}

/* ===== Mobile styles for chat pages ===== */
@media (max-width: 768px) {
    /* Remove all content padding, account for top notch on phones */
    .content:has(.chat-page-container) {
        padding: 0 !important;
        padding-top: env(safe-area-inset-top) !important;
    }

    /* Use dynamic viewport height so the layout adapts when the browser
       address bar shows/hides (critical for iOS Safari) */
    .chat-page-container {
        height: 100dvh;
        gap: 0;
        overflow: hidden;
    }

    /* Chat sidebar — off-screen by default, slides in */
    .chat-sidebar {
        position: fixed !important;
        left: 0 !important;
        top: 0 !important;
        width: 280px !important;
        height: 100dvh !important;
        z-index: 1001 !important;
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
    }

    .chat-sidebar.show {
        transform: translateX(0) !important;
    }

    /* Toggle button: stays inline in the header */
    .chat-sidebar-toggle {
        display: flex !important;
        border-radius: 50%;
        width: 40px !important;
        height: 40px !important;
        min-width: 40px !important;
        flex-shrink: 0;
    }

    /* NavMenu hamburger: reposition to top-left on chat pages */
    .page:has(.chat-page-container) .navbar-toggler {
        position: fixed !important;
        top: 0.5rem !important;
        left: 0.5rem !important;
        right: auto !important;
        z-index: 1002;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    }

    /* Overlay when sidebar is open */
    .chat-sidebar-overlay.show {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1000;
    }

    /* Main area fills everything */
    .chat-main {
        width: 100%;
    }

    /* Edge-to-edge native feel: no gaps, no padding between sections */
    .chat-content-stack {
        padding: 0;
        gap: 0;
    }

    /* Remove card border-radius at the edges for full-bleed native look */
    .chat-header-area,
    .chat-messages-area,
    .chat-input-area {
        border-radius: 0 !important;
    }

    /* --- Header --- */

    /* Single-row header, no wrapping, compact gap */
    .chat-header-area .rz-stack {
        flex-wrap: nowrap !important;
        gap: 0.35rem !important;
    }

    /* Reduce inner card padding for a slimmer header bar */
    .chat-header-area > .rz-card-content,
    .chat-header-area .rz-body {
        padding: 0.5rem 0.6rem !important;
    }

    /* Truncate agent name to one line */
    .chat-header-area h5 {
        font-size: 1rem !important;
        line-height: 1.3 !important;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 40vw;
    }

    /* Hide elements that clutter the mobile header */
    .agent-avatar,
    .chat-header-desc,
    .chat-header-workdir,
    .chat-header-participants,
    .chat-header-area .rz-dropdown,
    .chat-header-badge-active,
    .chat-header-badge-thinking {
        display: none !important;
    }

    /* Icon-only action buttons — hide text labels */
    .chat-header-settings-btn .rz-button-text,
    .chat-header-manage-btn .rz-button-text,
    .chat-input-send-btn .rz-button-text {
        display: none !important;
    }

    /* --- Messages area --- */

    /* Gentle padding, momentum scrolling like a native app */
    .chat-messages-area {
        padding: 0.5rem 0.4rem;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
    }

    /* Word-break for long content */
    .chat-messages-area .rz-card {
        word-break: break-word;
        overflow-wrap: break-word;
    }

    /* Images fill container width */
    .chat-messages-area img {
        max-width: 100%;
        height: auto;
    }

    /* --- Input area --- */

    /* Push the input bar above the iPhone home indicator */
    .chat-input-area {
        padding-bottom: max(0rem, env(safe-area-inset-bottom)) !important;
    }

    /* Compact textarea on mobile */
    .chat-input-wrapper .rz-textarea {
        min-height: 2.5rem !important;
    }

    /* Hide history nav arrows — not useful on touch */
    .chat-input-history-nav {
        display: none !important;
    }

}