/* ================================================================
 *  presets.css  —  Shadcn-style Bottom Drawer
 *
 *  Scope: ONLY the presets button + backdrop + drawer.
 *  Welcome suggestion card styles live in chat.css — not here.
 *  This avoids the duplicate-selector conflict that broke layout.
 *
 *  z-index: backdrop 5999, drawer 6000.
 * ================================================================ */

/* ──────────────────────────────────────────────────────────────────
 *  Trigger button (sits in the prompt toolbar)
 * ────────────────────────────────────────────────────────────────── */

.ii-presets-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: var(--ii-radius-sm, 8px);
    border: 1px solid rgba(37, 99, 235, 0.20);
    background: rgba(37, 99, 235, 0.07);
    color: var(--ii-accent, #2563eb);
    font-size: 13px;
    cursor: pointer;
    outline: none;
    flex-shrink: 0;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    transition: background 0.16s ease,
        border-color 0.16s ease,
        color 0.16s ease,
        box-shadow 0.16s ease;
}

.ii-presets-btn:hover {
    background: rgba(37, 99, 235, 0.13);
    border-color: var(--ii-accent, #2563eb);
}

.ii-presets-btn.is-open {
    background: var(--ii-accent, #2563eb);
    color: #fff;
    border-color: var(--ii-accent, #2563eb);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.30);
}

.ii-presets-btn:focus-visible {
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

/* Icon-only on very small screens */
@media (max-width: 480px) {
    .ii-presets-btn-label {
        display: none;
    }

    .ii-presets-btn {
        padding: 0 10px;
    }
}


/* ──────────────────────────────────────────────────────────────────
 *  Backdrop — fixed full-screen, below the drawer
 * ────────────────────────────────────────────────────────────────── */

.ii-presets-backdrop {
    position: fixed;
    inset: 0;
    z-index: 5999;
    background: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    pointer-events: none;
    transition:
        background 0.30s ease,
        backdrop-filter 0.30s ease;
}

.ii-presets-backdrop.is-visible {
    pointer-events: auto;
    background: rgba(0, 0, 0, 0.46);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
}


/* ──────────────────────────────────────────────────────────────────
 *  Drawer — always fixed to viewport bottom (Shadcn pattern)
 *
 *  Slides up via  translateY(100%) → translateY(0).
 *  No JS positioning. Works on every screen size.
 * ────────────────────────────────────────────────────────────────── */

.ii-presets-drawer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 6002;

    max-height: 72vh;
    display: flex;
    flex-direction: column;

    background: var(--ii-surface-white, #fff);
    border-top: 1px solid var(--ii-border, #e5e7eb);
    border-radius: 16px 16px 0 0;
    box-shadow:
        0 -8px 40px -4px rgba(0, 0, 0, 0.13),
        0 -2px 8px rgba(0, 0, 0, 0.06);

    /* Hidden: below viewport */
    transform: translateY(100%);
    pointer-events: none;

    /* Spring curve — same as Shadcn */
    transition: transform 0.34s cubic-bezier(0.32, 0.72, 0, 1);
    will-change: transform;
    backface-visibility: hidden;
}

.ii-presets-drawer.is-open {
    transform: translateY(0);
    pointer-events: auto;
}

/* Drag handle */
.ii-presets-handle {
    width: 40px;
    height: 4px;
    background: var(--ii-bg-active, #d1d5db);
    border-radius: 2px;
    margin: 0 auto;
    flex-shrink: 0;
    cursor: grab;
    transition: background 0.15s ease;
    /* Larger touch/click target without changing visual size */
    padding: 12px 24px;
    box-sizing: content-box;
    background-clip: content-box;
    /* Hand all touch events to JS — prevents browser pull-to-refresh/pan */
    touch-action: none;
}

.ii-presets-handle:hover {
    background-clip: content-box;
}

.ii-presets-handle:active {
    cursor: grabbing;
}


/* ── Header ── */

.ii-presets-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 18px 10px;
    border-bottom: 1px solid var(--ii-border, #e5e7eb);
    flex-shrink: 0;
}

.ii-presets-drawer-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--ii-text-primary, #111827);
    letter-spacing: -0.015em;
}

.ii-presets-drawer-title svg {
    color: var(--ii-accent, #2563eb);
    flex-shrink: 0;
}

.ii-presets-count-badge {
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--ii-accent-dim, rgba(37, 99, 235, 0.08));
    color: var(--ii-accent, #2563eb);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.04em;
    line-height: 1.6;
}

.ii-presets-drawer-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--ii-text-tertiary, #9ca3af);
    cursor: pointer;
    font-family: inherit;
    transition: background 0.14s ease, color 0.14s ease;
}

.ii-presets-drawer-close:hover {
    background: var(--ii-bg-hover, #f3f4f6);
    color: var(--ii-text-primary, #111827);
}


/* ── Category filter chips ── */

.ii-presets-cats {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    overflow-x: auto;
    scrollbar-width: none;
    flex-shrink: 0;
    border-bottom: 1px solid var(--ii-border, #e5e7eb);
}

.ii-presets-cats::-webkit-scrollbar {
    display: none;
}

.ii-presets-cat-chip {
    display: inline-flex;
    align-items: center;
    padding: 5px 13px;
    border-radius: var(--ii-radius-rounded);
    background: var(--ii-bg-secondary, #f9fafb);
    border: 1px solid var(--ii-border, #e5e7eb);
    font-size: 12px;
    font-weight: 600;
    color: var(--ii-text-secondary, #4b5563);
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    font-family: var(--ii-font-body, Inter, sans-serif);
    outline: none;
    -webkit-tap-highlight-color: transparent;
    transition: background 0.13s ease, border-color 0.13s ease, color 0.13s ease;
}

.ii-presets-cat-chip:hover {
    background: var(--ii-bg-hover, #f3f4f6);
    color: var(--ii-text-primary, #111827);
}

.ii-presets-cat-chip.is-active {
    background: var(--ii-accent-dim, rgba(37, 99, 235, 0.08));
    border-color: rgba(37, 99, 235, 0.28);
    color: var(--ii-accent, #2563eb);
}

.ii-presets-cat-chip:focus-visible {
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.30);
}


/* ── Scrollable prompts grid ── */

.ii-presets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 8px;
    padding: 12px 18px 20px;
    overflow-y: auto;
    flex: 1;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

@supports (-moz-appearance: none) {
    .ii-presets-grid {
        scrollbar-width: thin;
        scrollbar-color: var(--ii-bg-active, #d1d5db) transparent;
    }
}

.ii-presets-grid::-webkit-scrollbar {
    width: 4px;
}

.ii-presets-grid::-webkit-scrollbar-thumb {
    background: var(--ii-bg-active, #d1d5db);
    border-radius: 2px;
}


/* ── Individual preset card ── */

.ii-preset-card {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 12px 14px;
    border-radius: 10px;
    background: var(--ii-bg-secondary, #f9fafb);
    border: 1px solid var(--ii-border, #e5e7eb);
    cursor: pointer;
    text-align: left;
    font-family: var(--ii-font-body, Inter, sans-serif);
    position: relative;
    /* overflow: hidden; */
    outline: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    transition:
        background 0.16s ease,
        border-color 0.16s ease,
        transform 0.14s ease,
        box-shadow 0.16s ease;
}

/* Colored left stripe */
.ii-preset-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 3px;
    background: var(--preset-accent, var(--ii-accent, #2563eb));
    border-radius: 0 2px 2px 0;
    opacity: 0;
    transition: opacity 0.14s ease;
}

.ii-preset-card:hover {
    background: var(--ii-surface-white, #fff);
    border-color: var(--preset-accent, var(--ii-accent, #2563eb));
    transform: translateY(-1px);
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.07);
}

.ii-preset-card:hover::before {
    opacity: 1;
}


.ii-preset-card:active {
    transform: scale(0.98);
    box-shadow: none;
}

.ii-preset-card:focus-visible {
    box-shadow: 0 0 0 2px var(--preset-accent, var(--ii-accent, #2563eb));
}

.ii-preset-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ii-preset-card-icon {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.04);
    color: var(--preset-accent, var(--ii-accent, #2563eb));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

[data-theme="dark"] .ii-preset-card-icon {
    background: rgba(255, 255, 255, 0.06);
}

.ii-preset-card-title {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--ii-text-primary, #111827);
    line-height: 1.3;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ii-preset-card-preview {
    font-size: 11px;
    color: var(--ii-text-tertiary, #9ca3af);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    padding-left: 30px;
    margin-bottom: 0;
}

/* Checkmark (appears when selected) */
.ii-preset-check {
    position: absolute;
    top: 9px;
    right: 9px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--preset-accent, var(--ii-accent, #2563eb));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.4);
    pointer-events: none;
    transition:
        opacity 0.14s ease,
        transform 0.20s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ──────────────────────────────────────────────────────────────────
 *  Dark mode
 * ────────────────────────────────────────────────────────────────── */

[data-theme="dark"] .ii-presets-btn {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.28);
    color: #60a5fa;
}

[data-theme="dark"] .ii-presets-btn:hover {
    background: rgba(59, 130, 246, 0.18);
    border-color: #60a5fa;
}

[data-theme="dark"] .ii-presets-btn.is-open {
    background: #2563eb;
    color: #fff;
    border-color: #2563eb;
}

[data-theme="dark"] .ii-presets-drawer {
    background: var(--ii-dk-surface-1, #111116);
    border-top-color: var(--ii-dk-border, #28282f);
    box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.5), 0 -2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .ii-presets-count-badge {
    background: rgba(59, 130, 246, 0.12);
    color: #60a5fa;
}

[data-theme="dark"] .ii-presets-cat-chip {
    background: #1f1f26;
    border-color: var(--ii-dk-border, #28282f);
    color: #b2b2be;
}

[data-theme="dark"] .ii-presets-cat-chip:hover {
    background: #262630;
    color: #e5e5ea;
}

[data-theme="dark"] .ii-presets-cat-chip.is-active {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.30);
    color: #60a5fa;
}

[data-theme="dark"] .ii-preset-card {
    background: var(--ii-bg-secondary, #18181e);
    border-color: var(--ii-dk-border, #28282f);
}

[data-theme="dark"] .ii-preset-card:hover {
    background: var(--ii-surface-white, #111116);
}

[data-theme="dark"] .ii-presets-drawer-close {
    color: #8a8a96;
}

[data-theme="dark"] .ii-presets-drawer-close:hover {
    background: #262630;
    color: #e5e5ea;
}

[data-theme="dark"] .ii-presets-drawer::before {
    background: #28282f;
}


/* ──────────────────────────────────────────────────────────────────
 *  Responsive
 * ────────────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
    .ii-presets-grid {
        grid-template-columns: 1fr;
        padding: 10px 14px 24px;
    }

    .ii-presets-drawer-header {
        padding: 8px 14px 10px;
    }

    .ii-presets-cats {
        padding: 8px 14px;
    }

    .ii-presets-cat-chip {
        padding: 5px 11px;
        font-size: 11.5px;
    }

    .ii-preset-card-preview {
        -webkit-line-clamp: 1;
    }

    .ii-presets-drawer {
        max-height: 80vh;
    }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    .ii-presets-drawer {
        transition: none;
    }

    .ii-presets-backdrop {
        transition: none;
    }

    .ii-preset-card,
    .ii-preset-card:hover {
        transition: none;
        transform: none;
    }
}

/* ================================================================
 *  Variant Count Control  —  minus / count / plus stepper
 *  Sits in the prompt toolbar, same row as the send button.
 * ================================================================ */

.ii-variant-count {
    display: inline-flex;
    align-items: center;
    gap: 1px;
    height: 36px;
    border-radius: var(--ii-radius-rounded);
    ;
    border: 1px solid transparent;
    background: none;
    padding: 0 4px;
    flex-shrink: 0;
    transition: all var(--ii-transition);
}

.ii-variant-count:hover {
    background-color: var(--ii-bg-tertiary);
}

[data-theme="light"] .ii-variant-count:hover {
    background-color: var(--ii-bg-hover);
}

.ii-variant-count.is-disabled {
    opacity: 0.38;
    pointer-events: none;
}

.ii-variant-count-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: var(--ii-radius-rounded);
    ;
    border: none;
    background: transparent;
    color: var(--ii-text-primary);
    cursor: pointer;
    padding: 0;
    transition: background var(--ii-transition);
    flex-shrink: 0;
}

.ii-variant-count-btn:hover:not(:disabled) {
    background: rgba(0, 0, 0, 0.08);
}

.ii-variant-count-btn:active:not(:disabled) {
    background: rgba(0, 0, 0, 0.14);
}

[data-theme="dark"] .ii-variant-count-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.10);
}

[data-theme="dark"] .ii-variant-count-btn:active:not(:disabled) {
    background: rgba(255, 255, 255, 0.16);
}

.ii-variant-count-btn:disabled {
    opacity: 0.32;
    cursor: default;
}

.ii-variant-count-btn svg {
    width: 13px;
    height: 13px;
    display: block;
}

.ii-variant-count-num {
    min-width: 16px;
    text-align: center;
    font-size: 13px;
    font-weight: 500;
    line-height: 1;
    color: var(--ii-text-primary);
    user-select: none;
    padding: 0 2px;
}

/* ── Loading spinner tab in variant tab bar ── */

.ii-variant-tab.is-loading-tab {
    opacity: 0.75;
    cursor: default;
}

.ii-variant-tab-spinner {
    display: inline-block;
    width: 9px;
    height: 9px;
    border: 1.5px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: iiVariantTabSpin 0.65s linear infinite;
    vertical-align: middle;
}

@keyframes iiVariantTabSpin {
    to {
        transform: rotate(360deg);
    }
}