/* Platypus monochrome shell (theme via html[data-theme]) */

:root {
    --nn-radius: 6px;
    --nn-bubble-radius: 12px;
    --nn-composer-radius: 20px;
    --nn-composer-max-h: 12.5rem;
    --nn-radius-pill: 999px;
    --nn-sidebar-w: 300px;
    --nn-thinking-w: 30%;
    --nn-transition: 180ms ease-out;
    --nn-scrollbar-w: 10px;
    --nn-scrollbar-w-thin: 6px;
    --nn-font-mono: ui-monospace, "IBM Plex Mono", "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
    --nn-control-font-family: Inter, system-ui, -apple-system, sans-serif;
    --nn-control-font-size: 0.8125rem;
    --nn-control-font-weight: 500;
    --nn-control-line-height: 1.25;
    --nn-control-height: 2.25rem;
    --nn-control-padding-x: 0.75rem;
    --nn-control-padding-y: 0.4375rem;
}

html[data-theme="light"],
html:not([data-theme]) {
    color-scheme: light;
    --nn-bg: #ffffff;
    --nn-surface: #fafafa;
    --nn-surface-2: #f5f5f5;
    --nn-border: #e0e0e0;
    --nn-border-2: #e0e0e0;
    --nn-border-hover: rgba(0, 0, 0, 0.35);
    --nn-text: #000000;
    --nn-muted: rgba(0, 0, 0, 0.65);
    --nn-muted-2: rgba(0, 0, 0, 0.45);
    --nn-placeholder: rgba(0, 0, 0, 0.45);
    --nn-scrollbar-track: transparent;
    --nn-scrollbar-thumb: rgba(0, 0, 0, 0.2);
    --nn-scrollbar-thumb-hover: rgba(0, 0, 0, 0.35);
    --nn-scrollbar-thumb-active: rgba(0, 0, 0, 0.45);
    --nn-textarea-bg: #f5f5f5;
    --nn-input-bg: #ffffff;
    --nn-input-focus-border: #000000;
    --nn-input-focus-shadow: rgba(0, 0, 0, 0.12);
    --nn-accent-bg: #000000;
    --nn-accent-fg: #ffffff;
    --nn-accent-border: #000000;
    --nn-accent-hover-bg: #ffffff;
    --nn-accent-hover-fg: #000000;
    --nn-accent-soft-hover-bg: rgba(0, 0, 0, 0.06);
    --nn-hover-bg: rgba(0, 0, 0, 0.06);
    --nn-hover-bg-strong: rgba(0, 0, 0, 0.1);
    --nn-hover-fg: #000000;
    --nn-focus-outline: rgba(0, 0, 0, 0.35);
    --nn-link: #000000;
    --nn-pre-bg: rgba(0, 0, 0, 0.04);
    --nn-fab-bg: #000000;
    --nn-fab-fg: #ffffff;
    --nn-brand-logo-bg: #000000;
    --nn-brand-logo-filter: invert(1);
    --nn-field-bg: #ffffff;
    --nn-select-focus-border: #000000;
    --nn-select-focus-shadow: rgba(0, 0, 0, 0.12);
    --nn-bridge-dot-off: #808080;
    --nn-bridge-dot-on: #000000;
    --nn-strong: #000000;
    --nn-delete: #e52525;
    --nn-delete-hover-bg: rgba(229, 37, 37, 0.14);
    --nn-danger: var(--nn-delete);
    --nn-danger-hover-bg: var(--nn-delete-hover-bg);
    --nn-danger-hover-fg: var(--nn-delete);
    --nn-page-accent: #000000;
    --nn-status-on: #000000;
    --nn-status-off: #808080;
    --nn-status-warn: #666666;
}

html[data-theme="dark"] {
    color-scheme: dark;
    --nn-bg: #000000;
    --nn-surface: #050505;
    --nn-surface-2: #0a0a0a;
    --nn-border: #333333;
    --nn-border-2: #333333;
    --nn-border-hover: rgba(255, 255, 255, 0.32);
    --nn-text: #ffffff;
    --nn-muted: rgba(255, 255, 255, 0.72);
    --nn-muted-2: rgba(255, 255, 255, 0.5);
    --nn-placeholder: rgba(255, 255, 255, 0.55);
    --nn-scrollbar-track: transparent;
    --nn-scrollbar-thumb: rgba(255, 255, 255, 0.22);
    --nn-scrollbar-thumb-hover: rgba(255, 255, 255, 0.38);
    --nn-scrollbar-thumb-active: rgba(255, 255, 255, 0.48);
    --nn-textarea-bg: #0a0a0a;
    --nn-input-bg: #000000;
    --nn-input-focus-border: #ffffff;
    --nn-input-focus-shadow: rgba(255, 255, 255, 0.15);
    --nn-accent-bg: #ffffff;
    --nn-accent-fg: #000000;
    --nn-accent-border: #ffffff;
    --nn-accent-hover-bg: #000000;
    --nn-accent-hover-fg: #ffffff;
    --nn-accent-soft-hover-bg: rgba(255, 255, 255, 0.92);
    --nn-hover-bg: rgba(255, 255, 255, 0.08);
    --nn-hover-bg-strong: rgba(255, 255, 255, 0.12);
    --nn-hover-fg: #ffffff;
    --nn-focus-outline: rgba(255, 255, 255, 0.35);
    --nn-link: #ffffff;
    --nn-pre-bg: rgba(0, 0, 0, 0.35);
    --nn-fab-bg: #000000;
    --nn-fab-fg: #ffffff;
    --nn-brand-logo-bg: #ffffff;
    --nn-brand-logo-filter: none;
    --nn-field-bg: #000000;
    --nn-select-focus-border: #ffffff;
    --nn-select-focus-shadow: rgba(255, 255, 255, 0.12);
    --nn-bridge-dot-off: #808080;
    --nn-bridge-dot-on: #ffffff;
    --nn-strong: #ffffff;
    --nn-delete: #e52525;
    --nn-delete-hover-bg: rgba(229, 37, 37, 0.14);
    --nn-danger: var(--nn-delete);
    --nn-danger-hover-bg: var(--nn-delete-hover-bg);
    --nn-danger-hover-fg: var(--nn-delete);
    --nn-page-accent: #ffffff;
    --nn-status-on: #ffffff;
    --nn-status-off: #808080;
    --nn-status-warn: #b3b3b3;
}

/* Google Material Symbols Outlined ligature names as text content */
.material-symbols-outlined {
    font-family: 'Material Symbols Outlined';
    font-weight: normal;
    font-style: normal;
    font-size: 1.125rem;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    font-feature-settings: 'liga';
    -webkit-font-feature-settings: 'liga';
    -webkit-font-smoothing: antialiased;
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: -0.14em;
    color: inherit;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}

html,
body.nn-body {
    height: 100%;
}

body.nn-body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, sans-serif;
    background: var(--nn-bg);
    color: var(--nn-text);
    /* Align Bootstrap borders/radius with Platypus shell */
    --bs-body-bg: var(--nn-bg);
    --bs-body-color: var(--nn-text);
    --bs-border-color: var(--nn-border);
    --bs-border-width: 1px;
    --bs-border-radius: var(--nn-radius);
    --bs-border-radius-sm: var(--nn-radius);
    --bs-border-radius-lg: var(--nn-radius);
    --bs-border-radius-xl: var(--nn-radius);
    --bs-border-radius-2xl: var(--nn-radius);
}

/* ═══ Unified controls (buttons, inputs, selects, textareas) ═══ */
.nn-body .btn,
.nn-body .form-control,
.nn-body .form-select {
    font-family: var(--nn-control-font-family);
    font-size: var(--nn-control-font-size);
    font-weight: var(--nn-control-font-weight);
    line-height: var(--nn-control-line-height);
    border-radius: var(--nn-radius);
}

.nn-body .btn,
.nn-body input.form-control:not([type="file"]):not([type="color"]),
.nn-body .form-select {
    min-height: var(--nn-control-height);
    padding: var(--nn-control-padding-y) var(--nn-control-padding-x);
}

.nn-chat-page .nn-composer-fields .nn-chat-composer-select,
.nn-chat-page .nn-chat-header .btn.nn-chat-header-btn {
    min-height: unset;
}

.nn-body .btn.btn-sm,
.nn-body .btn.btn-lg,
.nn-body .form-control-sm,
.nn-body .form-select-sm {
    min-height: var(--nn-control-height);
    padding: var(--nn-control-padding-y) var(--nn-control-padding-x);
    font-size: var(--nn-control-font-size);
    line-height: var(--nn-control-line-height);
    border-radius: var(--nn-radius);
}

.nn-body .btn.py-0,
.nn-body .btn.px-1,
.nn-body .btn.p-0 {
    padding: var(--nn-control-padding-y) var(--nn-control-padding-x) !important;
}

.nn-body .btn-link {
    min-height: auto;
    padding: 0;
    border: 0;
    background: transparent;
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
    text-decoration: underline;
}

.nn-body .btn-link:hover {
    background: transparent;
    border: 0;
    color: var(--nn-muted);
}

.nn-body .form-control,
.nn-body .form-select {
    color: var(--nn-text);
    background: var(--nn-input-bg);
    border: 1px solid var(--nn-border);
    box-shadow: none;
}

.nn-body .form-control:focus,
.nn-body .form-select:focus {
    color: var(--nn-text);
    background: var(--nn-input-bg);
    border-color: var(--nn-input-focus-border);
    box-shadow: 0 0 0 0.15rem var(--nn-input-focus-shadow);
}

.nn-body input.form-control:not([type="file"]):not([type="color"]) {
    height: var(--nn-control-height);
}

.nn-body textarea.form-control {
    min-height: calc(var(--nn-control-height) * 2.5);
    padding: var(--nn-control-padding-y) var(--nn-control-padding-x);
    resize: vertical;
}

.nn-body .nn-composer-textarea.form-control {
    min-height: 1.5rem;
    height: auto;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
}

.nn-body .btn-primary,
.nn-body .nn-btn-primary,
.nn-body .btn.nn-btn-primary,
.nn-body .nn-btn-send,
.nn-body .btn.nn-btn-send {
    background: var(--nn-accent-bg);
    color: var(--nn-accent-fg);
    border: 1px solid var(--nn-accent-border);
    box-shadow: none;
}

.nn-body .btn-primary:hover,
.nn-body .nn-btn-primary:hover,
.nn-body .btn.nn-btn-primary:hover,
.nn-body .nn-btn-send:hover,
.nn-body .btn.nn-btn-send:hover {
    background: var(--nn-accent-hover-bg);
    color: var(--nn-accent-hover-fg);
    border-color: var(--nn-accent-border);
}

.nn-body .nn-btn-toolbar,
.nn-body .btn.nn-btn-toolbar,
.nn-body .nn-btn-icon,
.nn-body .btn.nn-btn-icon,
.nn-body .btn-outline-secondary {
    background: transparent;
    color: var(--nn-text);
    border: 1px solid var(--nn-border);
    box-shadow: none;
}

.nn-body .nn-btn-toolbar:hover:not(:disabled),
.nn-body .btn.nn-btn-toolbar:hover:not(:disabled),
.nn-body .nn-btn-icon:hover,
.nn-body .btn.nn-btn-icon:hover,
.nn-body .btn-outline-secondary:hover {
    background: var(--nn-hover-bg);
    color: var(--nn-text);
    border-color: var(--nn-border-hover);
}

.nn-body .nn-btn-toolbar:focus,
.nn-body .nn-btn-toolbar:focus-visible,
.nn-body .btn.nn-btn-toolbar:focus,
.nn-body .btn.nn-btn-toolbar:focus-visible {
    box-shadow: none;
    outline: 1px solid var(--nn-focus-outline);
    outline-offset: 2px;
}

.nn-body .nn-btn-toolbar.active,
.nn-body .btn.nn-btn-toolbar.active {
    color: var(--nn-text);
    background: var(--nn-hover-bg-strong);
    border-color: var(--nn-border-hover);
}

.nn-body .nn-btn-delete,
.nn-body .btn.nn-btn-delete,
.nn-body .btn-outline-danger,
.nn-body .nn-btn-danger,
.nn-body .btn.nn-btn-danger {
    background: transparent;
    color: var(--nn-delete);
    border: 1px solid var(--nn-delete);
    box-shadow: none;
}

.nn-body .nn-btn-delete:hover:not(:disabled),
.nn-body .btn.nn-btn-delete:hover:not(:disabled),
.nn-body .btn-outline-danger:hover,
.nn-body .nn-btn-danger:hover,
.nn-body .btn.nn-btn-danger:hover {
    background: var(--nn-delete-hover-bg);
    color: var(--nn-delete);
    border-color: var(--nn-delete);
}

.nn-body .nn-btn-delete.nn-ico-btn,
.nn-body .btn.nn-btn-delete.nn-ico-btn,
.nn-body .nn-delete-conversation-btn {
    min-width: var(--nn-control-height);
    padding: var(--nn-control-padding-y);
    justify-content: center;
}

/* Scrollbars — thin, rounded, monochrome (Firefox + WebKit) */
html {
    scrollbar-gutter: stable;
}

.nn-body,
.nn-body * {
    scrollbar-width: thin;
    scrollbar-color: var(--nn-scrollbar-thumb) var(--nn-scrollbar-track);
}

.nn-body::-webkit-scrollbar,
.nn-body *::-webkit-scrollbar {
    width: var(--nn-scrollbar-w);
    height: var(--nn-scrollbar-w);
}

.nn-body::-webkit-scrollbar-corner,
.nn-body *::-webkit-scrollbar-corner {
    background: transparent;
}

.nn-body::-webkit-scrollbar-track,
.nn-body *::-webkit-scrollbar-track {
    background: var(--nn-scrollbar-track);
    border-radius: 100px;
}

.nn-body::-webkit-scrollbar-thumb,
.nn-body *::-webkit-scrollbar-thumb {
    background: var(--nn-scrollbar-thumb);
    border-radius: 100px;
    border: 2px solid transparent;
    background-clip: padding-box;
    min-height: 2.5rem;
}

.nn-body::-webkit-scrollbar-thumb:hover,
.nn-body *::-webkit-scrollbar-thumb:hover {
    background: var(--nn-scrollbar-thumb-hover);
    border-color: transparent;
    background-clip: padding-box;
}

.nn-body::-webkit-scrollbar-thumb:active,
.nn-body *::-webkit-scrollbar-thumb:active {
    background: var(--nn-scrollbar-thumb-active);
}

/* In-field scrollbars (textareas, compact panels) */
textarea::-webkit-scrollbar,
.nn-composer-textarea::-webkit-scrollbar,
.nn-thinking-body::-webkit-scrollbar,
.nn-project-conv-list::-webkit-scrollbar,
.nn-sidebar-scroll::-webkit-scrollbar {
    width: var(--nn-scrollbar-w-thin);
    height: var(--nn-scrollbar-w-thin);
}

textarea,
.nn-composer-textarea,
.nn-thinking-body,
.nn-project-conv-list,
.nn-sidebar-scroll {
    scrollbar-width: thin;
    scrollbar-color: var(--nn-scrollbar-thumb) var(--nn-scrollbar-track);
}

.nn-muted {
    color: var(--nn-muted);
}

.nn-auth-body {
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

.nn-auth-main {
    flex: 1;
}

.nn-navbar {
    background: var(--nn-surface);
    border-color: var(--nn-border) !important;
}

.nn-brand-text {
    color: var(--nn-text);
    font-weight: 600;
}

.nn-brand-logo {
    display: inline-block;
    vertical-align: middle;
    object-fit: contain;
    border: none;
    border-radius: var(--nn-radius);
    background: transparent;
    filter: none;
}

.nn-brand-logo--on-light {
    display: none;
}

html[data-theme="light"] .nn-brand-logo--on-dark {
    display: none;
}

html[data-theme="light"] .nn-brand-logo--on-light {
    display: inline-block;
}

.nn-brand-logo--muted {
    opacity: 0.85;
}

.nn-card {
    background: var(--nn-surface-2);
    border-color: var(--nn-border) !important;
    border-radius: var(--nn-radius);
}

.nn-input,
.form-control.nn-input,
.form-select.nn-input {
    background: var(--nn-input-bg);
    color: var(--nn-text);
    border-color: var(--nn-border);
    font-family: var(--nn-control-font-family);
    font-size: var(--nn-control-font-size);
    font-weight: var(--nn-control-font-weight);
    line-height: var(--nn-control-line-height);
}

.nn-input::placeholder,
.form-control.nn-input::placeholder {
    color: var(--nn-placeholder);
    opacity: 1;
}

.nn-input::-webkit-input-placeholder,
.form-control.nn-input::-webkit-input-placeholder {
    color: var(--nn-placeholder);
}

.form-control.nn-input:focus {
    background: var(--nn-input-bg);
    color: var(--nn-text);
    border-color: var(--nn-input-focus-border);
    box-shadow: 0 0 0 0.15rem var(--nn-input-focus-shadow);
}

/* Textareas — same typography as controls (not chat composer) */
textarea.nn-input,
textarea.form-control.nn-input,
.nn-system-prompt-editor {
    display: block;
    width: 100%;
    min-height: calc(var(--nn-control-height) * 2.5);
    padding: var(--nn-control-padding-y) var(--nn-control-padding-x);
    line-height: 1.55;
    color: var(--nn-text);
    background: var(--nn-textarea-bg);
    border: 1px solid var(--nn-border);
    border-radius: var(--nn-radius);
    font-family: var(--nn-control-font-family);
    font-size: var(--nn-control-font-size);
    resize: vertical;
    overflow-x: hidden;
    overflow-y: auto;
    transition:
        border-color var(--nn-transition),
        box-shadow var(--nn-transition),
        background var(--nn-transition);
    -webkit-font-smoothing: antialiased;
}

textarea.nn-input::placeholder,
textarea.form-control.nn-input::placeholder,
.nn-system-prompt-editor::placeholder {
    color: var(--nn-placeholder);
    opacity: 1;
}

textarea.nn-input:focus,
textarea.form-control.nn-input:focus,
.nn-system-prompt-editor:focus {
    background: var(--nn-textarea-bg);
    color: var(--nn-text);
    border-color: var(--nn-input-focus-border);
    box-shadow: 0 0 0 0.15rem var(--nn-input-focus-shadow);
    outline: 0;
}

.nn-system-prompt-editor {
    min-height: 16rem;
    font-family: var(--nn-font-mono);
    font-size: var(--nn-control-font-size);
    white-space: pre-wrap;
    tab-size: 4;
}

textarea:disabled,
.nn-system-prompt-editor:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    resize: none;
}

.nn-alert.alert-danger,
.nn-alert.alert-success,
.nn-alert.alert-warning,
.nn-alert.alert-info {
    background: var(--nn-surface-2);
    color: var(--nn-text);
    border-color: var(--nn-border);
}

.text-danger {
    color: var(--nn-delete) !important;
}

.text-success,
.text-warning,
.text-info {
    color: var(--nn-muted) !important;
}

.badge.bg-success,
.badge.bg-danger,
.badge.bg-warning,
.badge.bg-info,
.badge.bg-primary,
.badge.bg-secondary {
    background: var(--nn-surface-2) !important;
    color: var(--nn-text) !important;
    border: 1px solid var(--nn-border);
}

.nn-pre-dberr {
    white-space: pre-wrap;
    word-break: break-word;
    opacity: 0.9;
}

.nn-pre {
    white-space: pre-wrap;
    word-break: break-all;
    background: var(--nn-pre-bg);
    border: 1px solid var(--nn-border);
    padding: 0.75rem 1rem;
    border-radius: var(--nn-radius);
}

.nn-bridge-key-panel {
    background: var(--nn-surface-2);
}

.nn-bridge-key-mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    color: var(--nn-text);
}

.nn-bridge-key-visible {
    font-family: var(--nn-control-font-family);
    font-size: var(--nn-control-font-size);
    font-weight: var(--nn-control-font-weight);
    line-height: var(--nn-control-line-height);
    min-height: var(--nn-control-height);
    color: var(--nn-text) !important;
    background: var(--nn-input-bg) !important;
    border-color: var(--nn-border) !important;
    padding: var(--nn-control-padding-y) var(--nn-control-padding-x);
    letter-spacing: 0.02em;
    -webkit-text-fill-color: var(--nn-text);
    opacity: 1;
}

.nn-bridge-key-visible:focus {
    border-color: var(--nn-input-focus-border) !important;
    box-shadow: 0 0 0 0.15rem var(--nn-input-focus-shadow);
}

a {
    color: var(--nn-link);
    text-decoration: underline;
}

a:hover {
    color: var(--nn-muted);
}

.text-muted {
    color: var(--nn-muted) !important;
}

.form-label {
    color: var(--nn-text);
    font-family: var(--nn-control-font-family);
    font-size: var(--nn-control-font-size);
    font-weight: var(--nn-control-font-weight);
    line-height: var(--nn-control-line-height);
}

.nn-app {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

.nn-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
}

.nn-main--chat {
    min-height: 0;
    background: var(--nn-bg);
}

.nn-chat-scroll {
    flex: 1;
    overflow: auto;
    min-height: 0;
    padding: 0.5rem 0 1rem;
}

.nn-chat-pane {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0.75rem 1.25rem 0.5rem;
    box-sizing: border-box;
}

@media (min-width: 1200px) {
    .nn-chat-pane {
        padding-left: 1.75rem;
        padding-right: 1.75rem;
    }
}

.nn-composer-wrap {
    border-top: 1px solid var(--nn-border);
    background: var(--nn-surface);
    padding: 0.45rem 1rem 0.6rem;
    width: 100%;
    box-sizing: border-box;
}

@media (min-width: 1200px) {
    .nn-composer-wrap {
        padding-left: 1.75rem;
        padding-right: 1.75rem;
    }
}

body.nn-chat-shell {
    height: 100vh;
    overflow: hidden;
    margin: 0;
}

.nn-label-hint {
    font-weight: 400;
    color: var(--nn-muted-2);
    font-size: 0.85em;
}

.nn-section-title {
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--nn-muted);
}

.nn-project-title {
    color: var(--nn-text);
}

.nn-project-title:hover {
    color: var(--nn-hover-fg);
}

/* Icon-only / icon-primary controls */
.nn-ico-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.nn-composer-send-ico {
    font-size: 1.15rem;
    line-height: 1;
}

.nn-btn-send.nn-ico-btn,
.btn.nn-btn-send.nn-ico-btn {
    min-width: var(--nn-control-height);
    padding: var(--nn-control-padding-y);
}

.nn-btn-send:hover .material-symbols-outlined,
.btn.nn-btn-send:hover .material-symbols-outlined {
    color: inherit;
}

.nn-btn-toolbar:disabled,
.btn.nn-btn-toolbar:disabled {
    opacity: 0.35;
}

.nn-select-compact,
.nn-select-header {
    font-family: var(--nn-control-font-family);
    font-size: var(--nn-control-font-size);
    font-weight: var(--nn-control-font-weight);
    line-height: var(--nn-control-line-height);
    min-height: var(--nn-control-height);
    padding: var(--nn-control-padding-y) 2rem var(--nn-control-padding-y) var(--nn-control-padding-x);
    border-radius: var(--nn-radius);
    max-width: 200px;
}

.nn-header-title {
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--nn-text);
}

.nn-header-bar--chat {
    border-bottom: 1px solid var(--nn-border);
    background: var(--nn-bg);
}

.nn-chat-empty {
    padding: 2rem 0;
    text-align: left;
}

.nn-sidebar-new {
    background: transparent;
    color: var(--nn-text);
    border: 1px solid var(--nn-border);
    font-family: var(--nn-control-font-family);
    font-size: var(--nn-control-font-size);
    font-weight: var(--nn-control-font-weight);
    line-height: var(--nn-control-line-height);
    min-height: var(--nn-control-height);
    padding: var(--nn-control-padding-y) var(--nn-control-padding-x);
    border-radius: var(--nn-radius);
    text-align: left;
}

.nn-sidebar-new-ico {
    font-size: 1.15rem;
    line-height: 1;
    flex-shrink: 0;
    opacity: 0.95;
}

.nn-sidebar-new:hover {
    border-color: var(--nn-border-hover);
}

.nn-generating-pulse {
    animation: nnPulse 1.2s ease-in-out infinite;
}

@keyframes nnPulse {
    0% {
        opacity: 0.55;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0.55;
    }
}

.nn-fab {
    position: fixed;
    left: 12px;
    bottom: 12px;
    z-index: 1040;
    border-radius: var(--nn-radius-pill);
    width: 48px;
    height: 48px;
    border: 1px solid var(--nn-border);
    background: var(--nn-fab-bg);
    color: var(--nn-fab-fg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.nn-fab .material-symbols-outlined {
    font-size: 1.4rem;
}

.nn-btn-icon .material-symbols-outlined {
    font-size: 1.12rem;
}

.nn-offcanvas {
    background: var(--nn-surface);
    color: var(--nn-text);
}

/* Icon control — used by theme toggle, auth nav, setup (sidebar adds .nn-sidebar-icon-btn alias) */
.nn-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    margin: 0;
    border: 1px solid var(--nn-border);
    border-radius: var(--nn-radius);
    background: var(--nn-surface);
    color: var(--nn-muted);
    cursor: pointer;
    flex-shrink: 0;
    line-height: 1;
    box-sizing: border-box;
    transition:
        color var(--nn-transition),
        border-color var(--nn-transition),
        background var(--nn-transition),
        box-shadow var(--nn-transition);
}

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

.nn-icon-btn:focus-visible {
    outline: 2px solid var(--nn-focus-outline);
    outline-offset: 2px;
}

html[data-theme="light"] .nn-icon-btn {
    background: var(--nn-surface-2);
}

html[data-theme="light"] .nn-icon-btn:hover {
    background: var(--nn-hover-bg);
}

.nn-theme-toggle .nn-theme-toggle-icon,
.nn-theme-toggle .material-symbols-outlined {
    font-size: 1.25rem;
    line-height: 1;
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

.text-white {
    color: var(--nn-strong) !important;
}