/* ===== LibuAssistant — Warm Minimal Design System ===== */

/* === Custom Properties === */
:root {
    --la-surface-elevated: #F7F7F5;
    --la-border: #E8E8E5;
    --la-border-hover: #D0D0CC;
    --la-text-tertiary: #9B9B9B;
    --la-primary-hover: rgba(91, 91, 214, 0.06);
    --la-primary-active: rgba(91, 91, 214, 0.10);
}

[data-theme="dark"] {
    --la-surface-elevated: #2E2E2E;
    --la-border: #333333;
    --la-border-hover: #444444;
    --la-text-tertiary: #5C5C5C;
    --la-primary-hover: rgba(124, 124, 255, 0.08);
    --la-primary-active: rgba(124, 124, 255, 0.14);
}

/* === Base Styles === */
html, body {
    font-family: 'Source Sans 3', sans-serif;
}

a, .btn-link {
    color: #5B5BD6;
}

.btn-primary {
    color: #fff;
    background-color: #5B5BD6;
    border-color: #4F4FC4;
}

.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 #5B5BD6;
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.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;
}

/* === Phase 2: Structural Overrides === */

/* Cards — no shadows, border only */
.mud-paper.mud-elevation-1 {
    box-shadow: none !important;
    border: 1px solid var(--la-border);
    transition: border-color 0.15s ease;
}
.mud-paper.mud-elevation-1:hover {
    border-color: var(--la-border-hover);
}

/* Elevation 2 (drawers, important containers) */
.mud-paper.mud-elevation-2 {
    box-shadow: none !important;
    border: 1px solid var(--la-border);
}

/* AppBar — solid, clean, no shadow */
.mud-appbar.mud-elevation-1 {
    box-shadow: none !important;
    border-bottom: 1px solid var(--la-border);
}

/* Drawer — clean border */
.mud-drawer {
    border-right: 1px solid var(--la-border) !important;
    box-shadow: none !important;
}

/* Nav links — rounded, subtle active state */
.mud-nav-item .mud-nav-link.active {
    background: var(--la-primary-active) !important;
    border-radius: 8px;
    font-weight: 600;
}
.mud-nav-item .mud-nav-link {
    border-radius: 8px;
    margin: 2px 8px;
    transition: background 0.15s ease;
}
.mud-nav-item .mud-nav-link:hover {
    background: var(--la-primary-hover);
}

/* Search bar — pill shape, subtle focus */
.search-bar .mud-input-outlined .mud-input-outlined-border {
    border-radius: 20px !important;
    border-width: 1px !important;
}
.search-bar .mud-input-outlined.mud-input-focused .mud-input-outlined-border {
    border-color: var(--mud-palette-primary) !important;
    border-width: 1px !important;
    box-shadow: none !important;
}

/* FAB — minimal shadow */
.mud-fab.mud-fab-color-primary {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12) !important;
    transition: box-shadow 0.15s ease;
}
.mud-fab.mud-fab-color-primary:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.16) !important;
}

/* Dialogs — clean border */
.mud-dialog {
    border: 1px solid var(--la-border);
}

/* Snackbar — rounded */
.mud-snackbar {
    border-radius: 8px !important;
}

/* Progress bars — rounded */
.mud-progress-linear {
    border-radius: 4px !important;
    overflow: hidden;
}
.mud-progress-linear .mud-progress-linear-bar {
    border-radius: 4px !important;
}

/* === Bottom Navigation === */
.la-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1300;
    background: var(--mud-palette-surface);
    border-top: 1px solid var(--la-border);
    padding: 6px 0 max(6px, env(safe-area-inset-bottom));
    justify-content: space-around;
    align-items: center;
}

.la-bottom-nav__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    text-decoration: none;
    position: relative;
}

.la-bottom-nav__item--active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--mud-palette-primary);
}

.la-bottom-nav__fab {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--mud-palette-primary);
    border: none;
    cursor: pointer;
    margin-top: -20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
    transition: transform 0.15s ease;
}

.la-bottom-nav__fab:active {
    transform: scale(0.92);
}

/* === Phase 3: Chat Interface === */

/* User message bubble */
.la-msg-user {
    max-width: 82%;
    margin-left: auto;
    background: var(--mud-palette-primary);
    color: #fff;
    border-radius: 16px 16px 4px 16px;
    padding: 12px 16px;
}

/* Assistant message bubble */
.la-msg-assistant {
    max-width: 82%;
    background: var(--la-surface-elevated);
    border: 1px solid var(--la-border);
    border-radius: 16px 16px 16px 4px;
    padding: 12px 16px;
}

/* Chat input area */
.la-chat-input {
    padding: 12px 16px;
    border-top: 1px solid var(--la-border);
    background: var(--la-surface-elevated);
}
.la-chat-input .mud-input-outlined .mud-input-outlined-border {
    border-radius: 24px !important;
}

/* Conversation sidebar item */
.la-conv-item {
    padding: 8px 12px;
    margin: 2px 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s ease;
}
.la-conv-item:hover {
    background: var(--la-primary-hover);
}
.la-conv-item--active {
    background: var(--la-primary-active);
}

/* Typing indicator */
.la-typing-dots {
    display: flex;
    gap: 5px;
    padding: 8px 0;
}
.la-typing-dots span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--mud-palette-text-secondary);
    animation: la-pulse 1.4s infinite;
}
.la-typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.la-typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes la-pulse {
    0%, 80%, 100% { opacity: 0.3; transform: scale(0.85); }
    40% { opacity: 0.8; transform: scale(1); }
}

/* === Phase 4: Micro-interactions === */

/* Subtle transitions on interactive elements */
.mud-button-root,
.mud-icon-button,
.mud-chip,
.mud-nav-link,
.mud-list-item,
.mud-tab {
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease !important;
}

/* Input focus — subtle border change only, no thick outlines */
.mud-input-outlined.mud-input-focused .mud-input-outlined-border {
    border-width: 1px !important;
    box-shadow: none !important;
}

/* === Phase 5: Editor.js dark mode overrides (Warm palette) ===  */

/* Base text color */
[data-theme="dark"] .codex-editor,
[data-theme="dark"] .ce-block__content,
[data-theme="dark"] .ce-toolbar__content {
    color: #ECECEC !important;
}

/* Selected block highlight */
[data-theme="dark"] .codex-editor .ce-block--selected .ce-block__content {
    background: rgba(124, 124, 255, 0.20) !important;
}

/* Focused block */
[data-theme="dark"] .ce-block--focused {
    background: transparent !important;
}

/* Drop target indicator */
[data-theme="dark"] .ce-block--drop-target .ce-block__content {
    border-color: #7C7CFF !important;
}

/* Toolbar buttons (plus + settings gear) */
[data-theme="dark"] .ce-toolbar__plus,
[data-theme="dark"] .ce-toolbar__settings-btn {
    color: #ECECEC !important;
    background: #2E2E2E !important;
}
[data-theme="dark"] .ce-toolbar__plus:hover,
[data-theme="dark"] .ce-toolbar__settings-btn:hover {
    background: #2E2E2E !important;
    color: #ECECEC !important;
}

/* Inline toolbar (bold/italic/link bar) */
[data-theme="dark"] .ce-inline-toolbar,
[data-theme="dark"] .ce-conversion-toolbar {
    background: #242424 !important;
    border-color: #333333 !important;
    color: #ECECEC !important;
    box-shadow: 0 3px 15px -3px rgba(0, 0, 0, 0.4) !important;
}
[data-theme="dark"] .ce-inline-toolbar__dropdown:hover,
[data-theme="dark"] .ce-inline-tool:hover,
[data-theme="dark"] .ce-conversion-tool:hover {
    background: #2E2E2E !important;
}
[data-theme="dark"] .ce-inline-tool,
[data-theme="dark"] .ce-inline-toolbar__dropdown {
    color: #8C8C8C !important;
}
[data-theme="dark"] .ce-inline-tool svg,
[data-theme="dark"] .ce-toolbar__plus svg,
[data-theme="dark"] .ce-toolbar__settings-btn svg {
    fill: currentColor !important;
}

/* Settings popover (Move up, Delete, Move down menu) */
[data-theme="dark"] .ce-settings {
    background: #242424 !important;
    border-color: #333333 !important;
    color: #ECECEC !important;
    box-shadow: 0 3px 15px -3px rgba(0, 0, 0, 0.4) !important;
}
[data-theme="dark"] .ce-settings__button,
[data-theme="dark"] .cdx-settings-button {
    color: #8C8C8C !important;
}
[data-theme="dark"] .ce-settings__button:hover,
[data-theme="dark"] .cdx-settings-button:hover {
    background: #2E2E2E !important;
    color: #ECECEC !important;
}

/*
 * Popover — override CSS custom properties that EditorJS uses internally.
 */
[data-theme="dark"] .ce-popover,
[data-theme="dark"] .ce-popover--opened {
    --color-background: #242424 !important;
    --color-border: #333333 !important;
    --color-shadow: rgba(0, 0, 0, 0.4) !important;
    --color-text-primary: #ECECEC !important;
    --color-text-secondary: #5C5C5C !important;
    --color-border-icon: #444444 !important;
    --color-background-icon: #2E2E2E !important;
    --color-background-item-hover: #2E2E2E !important;
    --color-background-item-focus: rgba(124, 124, 255, 0.15) !important;
    --color-shadow-item-focus: rgba(124, 124, 255, 0.1) !important;
    --color-background-item-confirm: #dc2626 !important;
    --color-background-item-confirm-hover: #b91c1c !important;
    background: #242424 !important;
    border-color: #333333 !important;
    box-shadow: 0 3px 15px -3px rgba(0, 0, 0, 0.4) !important;
}
[data-theme="dark"] .ce-popover__container {
    background: #242424 !important;
}

/* Fallback direct overrides for popover items */
[data-theme="dark"] .ce-popover-item {
    color: #ECECEC !important;
}
[data-theme="dark"] .ce-popover-item:hover {
    background: #2E2E2E !important;
}
[data-theme="dark"] .ce-popover-item__icon {
    background: #2E2E2E !important;
    color: #8C8C8C !important;
    border-color: #444444 !important;
}
[data-theme="dark"] .ce-popover-item__icon svg {
    fill: currentColor !important;
}
[data-theme="dark"] .ce-popover-item__title {
    color: #ECECEC !important;
}
[data-theme="dark"] .ce-popover-item__secondary-title {
    color: #5C5C5C !important;
}
[data-theme="dark"] .ce-popover-item--focused,
[data-theme="dark"] .ce-popover-item--active {
    background: #2E2E2E !important;
}
[data-theme="dark"] .ce-popover__search {
    background: #1A1A1A !important;
    border-color: #333333 !important;
    color: #ECECEC !important;
}
[data-theme="dark"] .ce-popover__nothing-found-message {
    color: #5C5C5C !important;
}

/* Popover item with confirmation (Delete red state) */
[data-theme="dark"] .ce-popover-item--confirmation {
    background: rgba(239, 68, 68, 0.15) !important;
}
[data-theme="dark"] .ce-popover-item--confirmation .ce-popover-item__icon {
    background: rgba(239, 68, 68, 0.25) !important;
    color: #ef4444 !important;
}
[data-theme="dark"] .ce-popover-item--confirmation .ce-popover-item__title {
    color: #ef4444 !important;
}

/* Code block textarea */
[data-theme="dark"] .ce-code__textarea {
    background: #1A1A1A !important;
    color: #ECECEC !important;
    border-color: #333333 !important;
}

/* Checklist */
[data-theme="dark"] .cdx-checklist__item-checkbox {
    border-color: #444444 !important;
}

/* Delimiter */
[data-theme="dark"] .ce-delimiter {
    border-color: #333333 !important;
}

/* General SVG icons in editor */
[data-theme="dark"] .codex-editor svg {
    fill: #ECECEC;
}

/* Placeholder text */
[data-theme="dark"] .ce-paragraph[data-placeholder]:empty::before {
    color: #5C5C5C !important;
}