/* =============================================================================
   Thoughts Page — Minimal Chat-Style Layout
   ============================================================================= */

/* 1) Page wrapper — fills viewport below header */
.thoughts-page {
    max-width: 600px;
    margin: 0 auto;
    height: calc(100vh - var(--header-height));
    display: flex;
    flex-direction: column;
    padding: 0 16px;
    box-sizing: border-box;
}

/* 2) Title + Subtitle — hidden for minimal look */
.thoughts-title,
.thoughts-subtitle {
    display: none;
}

/* 3) Chat container — fills remaining space */
.thoughts-chat {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

/* 4) Scroll area — bubbles gravity to bottom */
.scroll-area {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

.scroll-spacer {
    flex: 1;
}

.bubble-list {
    display: flex;
    flex-direction: column;
    padding-bottom: 8px;
}

/* 5) Time separator — hidden, dates are inline */
.time-sep {
    display: none;
}

/* 6) Bubble row — left-aligned bubble with right-pinned actions */
.bubble-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
}

/* Visual break between date groups */
.bubble-row.first-in-group {
    margin-top: 6px;
}

.bubble-content {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 14px 14px 14px 4px;
    padding: 8px 14px;
    max-width: 80%;
}

.bubble-text {
    font-size: 0.875rem;
    line-height: 1.4;
    color: var(--text-primary);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* 7) Actions — right-pinned, hidden until hover on desktop */
.bubble-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 4px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-instant) var(--ease-default);
    flex-shrink: 0;
}

.bubble-row:hover .bubble-actions,
.bubble-row:focus-within .bubble-actions {
    opacity: 1;
    pointer-events: auto;
}

/* Inline date label — subtle, always visible */
.bubble-date {
    font-size: 0.6rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    opacity: 0.5;
    white-space: nowrap;
    /* Visible even when actions are hidden */
    pointer-events: none;
}

/* Icon buttons in bubble actions */
.thoughts-page .icon-btn {
    width: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: var(--radius-sm);
}

.thoughts-page .icon-btn svg,
.thoughts-page .icon-btn .icon {
    width: 13px;
    height: 13px;
    display: block;
    flex-shrink: 0;
}

/* Light mode — override Pico CSS blue button styles */
html:not([data-theme="dark"]) .bubble-actions .icon-btn.promote,
html:not([data-theme="dark"]) .bubble-actions .icon-btn.delete {
    background: var(--bg-surface) !important;
    border-color: var(--border-default) !important;
    color: var(--text-secondary) !important;
}

html:not([data-theme="dark"]) .bubble-actions .icon-btn.promote:hover {
    background: var(--bg-panel) !important;
    border-color: rgba(15, 23, 42, 0.15) !important;
    color: var(--primary) !important;
}

html:not([data-theme="dark"]) .bubble-actions .icon-btn.delete:hover {
    background: var(--bg-panel) !important;
    border-color: rgba(15, 23, 42, 0.15) !important;
    color: #C9505A !important;
}

/* Override Pico CSS button margin */
.bubble-actions button {
    margin-bottom: 0 !important;
}

/* 8) Bottom bar — minimal, no border */
.bottom-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0 16px;
    flex-shrink: 0;
}

.bottom-bar-input {
    flex: 1;
    height: 40px;
    padding: 0 16px;
    margin: 0 !important;
    margin-bottom: 0 !important;
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    background: var(--bg-surface);
    font-size: 0.875rem;
    color: var(--text-primary);
    box-sizing: border-box;
}

.bottom-bar-input::placeholder {
    color: var(--text-muted);
}

.bottom-bar-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(109, 94, 246, 0.1);
}

/* Submit button — solid purple circle with white arrow */
.bottom-bar-btn {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: var(--primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    margin: 0 !important;
    margin-bottom: 0 !important;
    flex-shrink: 0;
    transition: background 0.15s ease;
}

.bottom-bar-btn:hover {
    background: var(--primary-hover);
}

/* Hide text label, show arrow icon */
.bottom-bar-btn .submit-label {
    display: none;
}

.bottom-bar-btn .submit-icon {
    display: block;
    width: 16px;
    height: 16px;
    stroke: #fff;
}

.bottom-bar-btn:hover .submit-icon {
    stroke: #fff;
}

/* 9) Slide-up animation for new bubbles */
@keyframes slide-up-fade {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.bubble-row.is-new {
    animation: slide-up-fade 400ms var(--ease-out);
}

/* 10) Responsive — actions always visible below 600px */
@media (max-width: 600px) {
    .bubble-actions {
        opacity: 1;
        pointer-events: auto;
    }

    .bubble-content {
        max-width: 85%;
    }
}

/* =============================================================================
   Dark Mode
   ============================================================================= */

[data-theme="dark"] .bubble-content {
    background: var(--bg-surface);
    border-color: var(--border-default);
}

[data-theme="dark"] .bottom-bar-input {
    background: var(--bg-panel);
    color: var(--text-primary);
    border-color: var(--border-default);
}

[data-theme="dark"] .bottom-bar-input::placeholder {
    color: var(--text-muted);
}

[data-theme="dark"] .bottom-bar-btn {
    background: var(--primary);
}

[data-theme="dark"] .bottom-bar-btn:hover {
    background: var(--primary-hover);
}

/* Dark mode icon buttons */
[data-theme="dark"] .thoughts-page .icon-btn,
[data-theme="dark"] .bubble-actions .icon-btn {
    background: var(--bg-surface);
    border-color: var(--border-default);
    color: var(--text-secondary);
}

[data-theme="dark"] .thoughts-page .icon-btn svg,
[data-theme="dark"] .bubble-actions .icon-btn svg {
    stroke: var(--text-secondary);
}

[data-theme="dark"] .thoughts-page .icon-btn:hover,
[data-theme="dark"] .bubble-actions .icon-btn:hover {
    background: var(--bg-panel);
    border-color: var(--border-strong);
    color: var(--text-primary);
}

[data-theme="dark"] .thoughts-page .icon-btn:hover svg,
[data-theme="dark"] .bubble-actions .icon-btn:hover svg {
    stroke: var(--text-primary);
}

[data-theme="dark"] .bubble-actions .icon-btn.promote:hover {
    color: var(--primary);
}

[data-theme="dark"] .bubble-actions .icon-btn.promote:hover svg {
    stroke: var(--primary);
}

[data-theme="dark"] .bubble-actions .icon-btn.delete:hover {
    color: #C9505A;
}

[data-theme="dark"] .bubble-actions .icon-btn.delete:hover svg {
    stroke: #C9505A;
}

/* =============================================================================
   Reduced Motion
   ============================================================================= */

@media (prefers-reduced-motion: reduce) {
    .bubble-row.is-new {
        animation: none;
    }

    .thought-empty-state .empty-state-illustration {
        animation: none;
    }
}

/* =============================================================================
   Empty State
   ============================================================================= */

.thought-empty-state {
    text-align: center;
    padding: 48px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
}

.thought-empty-state .empty-state-illustration {
    opacity: 0.85;
    animation: float 3s ease-in-out infinite;
}

.thought-empty-state .empty-state-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--space-2);
}

.thought-empty-state .empty-state-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0;
    max-width: 280px;
}