/* ============================================================
   PROMPT ASSISTANT — Generator Page Only
   Fully isolated styles. Uses global CSS variables.
   ============================================================ */

/* ── Trigger buttons ── */
.pa-trigger-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--neon-green);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    font-size: 0.55rem;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    padding: 4px 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
    flex-shrink: 0;
    line-height: 1.2;
}

.pa-trigger-btn:hover {
    background: rgba(16, 185, 129, 0.2);
    border-color: var(--neon-green);
    box-shadow: 0 0 14px var(--accent-green-glow);
    transform: translateY(-1px);
}

.pa-trigger-btn svg {
    width: 12px;
    height: 12px;
    stroke: currentColor;
    fill: none;
    flex-shrink: 0;
}

/* 2-line label */
.pa-trigger-btn span {
    line-height: 1.15;
    text-align: left;
}

/* ── Desktop sidebar: inline next to Negative Prompt label ── */
.sidebar-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.sidebar-label-row>label {
    margin-bottom: 0 !important;
}

.pa-trigger-btn--sidebar {
    padding: 3px 7px;
    font-size: 0.5rem;
    border-radius: 6px;
}

/* Hide sidebar trigger on mobile, show composer trigger */
.pa-trigger-btn--sidebar {
    display: none;
}

.pa-trigger-btn--composer {
    display: none;
}

.pa-trigger-btn--tablet {
    display: none;
}

/* Phone only: show in credits row */
@media (max-width: 767px) {
    .pa-trigger-btn--composer {
        display: inline-flex;
    }
}

/* iPad/Tablet only: show in params row */
@media (min-width: 768px) and (max-width: 1023px) {
    .pa-trigger-btn--tablet {
        display: inline-flex;
    }
}

@media (min-width: 1024px) {
    .pa-trigger-btn--sidebar {
        display: inline-flex;
    }
}

/* ── Mobile composer: credit row layout ── */
.tg-credit-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 4px;
}

.pa-trigger-btn--composer {
    padding: 4px 8px;
    font-size: 0.5rem;
    border-radius: 8px;
}

.pa-trigger-btn--tablet {
    padding: 4px 8px;
    font-size: 0.5rem;
    border-radius: 8px;
}

/* Hide credit row on desktop (credits shown in sidebar) */
@media (min-width: 1024px) {
    .tg-credit-row {
        display: none;
    }
}

/* Hide credit-row button on tablet (button is in params row) */
@media (min-width: 768px) {
    .tg-credit-row .pa-trigger-btn--composer {
        display: none;
    }
}


/* ── Backdrop ── */
.pa-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(6px);
    z-index: 5000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.pa-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}


/* ── Panel ── */
.pa-panel {
    position: fixed;
    z-index: 5001;
    background: rgba(5, 10, 20, 0.96);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-md);
    backdrop-filter: blur(24px);
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.7),
        0 0 40px rgba(16, 185, 129, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(20px) scale(0.97);
    transition: opacity 0.3s ease, transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.pa-panel.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

/* While assistant is open, background page composer should never receive input. */
body.pa-open #qe-mobile-composer,
body.pa-open #tg-composer,
body.pa-open #mp-mobile-composer {
    pointer-events: none !important;
}

/* Desktop: floating panel, positioned near the sidebar */
@media (min-width: 1024px) {
    .pa-panel {
        top: 100px;
        left: 310px;
        width: 420px;
        max-height: calc(100vh - 140px);
    }
}

/* iPad / tablet */
@media (min-width: 768px) and (max-width: 1023px) {
    .pa-panel {
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) translateY(20px) scale(0.97);
        width: 90%;
        max-width: 480px;
        max-height: 80vh;
    }

    .pa-panel.open {
        transform: translate(-50%, -50%) translateY(0) scale(1);
    }
}

/* iPad/tablet portrait: fully hide page composer while Prompt Assistant is open. */
@media (min-width: 601px) and (max-width: 1024px) and (orientation: portrait) {
    body.pa-open #qe-mobile-composer.tg-composer,
    body.pa-open #tg-composer.tg-composer,
    body.pa-open #mp-mobile-composer.tg-composer {
        display: none !important;
        visibility: hidden !important;
    }

    body.pa-open .pa-panel.open {
        z-index: 20050 !important;
    }
}

/* Mobile */
@media (max-width: 767px) {
    .pa-panel {
        inset: 8px;
        width: auto;
        max-height: none;
        border-radius: var(--radius-md);
        z-index: 10001;
    }

    .pa-backdrop {
        z-index: 10000;
    }
}


/* ── Panel header ── */
.pa-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.pa-header h3 {
    margin: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-white);
    text-transform: uppercase;
}

.pa-header-actions {
    display: flex;
    gap: 6px;
}

.pa-header-btn {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
}

.pa-header-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
    border-color: rgba(255, 255, 255, 0.2);
}

.pa-header-btn svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
}

/* Copy button hover → green */
.pa-header-btn--copy:hover {
    color: var(--neon-green);
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.15);
}

/* Plus button hover → green */
.pa-header-btn--plus:hover {
    color: var(--neon-green);
    border-color: rgba(16, 185, 129, 0.4);
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.15);
}

/* Close button hover → red-ish */
.pa-header-btn--close:hover {
    color: #f87171;
    border-color: rgba(248, 113, 113, 0.3);
}


/* ── Output box ── */
.pa-output {
    padding: 16px 20px;
    flex-shrink: 0;
}

.pa-output-box {
    width: 100%;
    min-height: 120px;
    max-height: 180px;
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    color: var(--neon-green);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.82rem;
    line-height: 1.6;
    scrollbar-width: thin;
    scrollbar-color: var(--glass-border) transparent;
}

.pa-output-box:empty::before {
    content: 'Generated prompt will appear here...';
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.78rem;
}

.pa-output-box::-webkit-scrollbar {
    width: 4px;
}

.pa-output-box::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 4px;
}



/* ── Input area ── */
.pa-input-area {
    padding: 12px 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1;
    overflow-y: auto;
}

/* Image zone — horizontal row */
.pa-image-zone {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pa-image-preview {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    border: 1px dashed rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.02);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    transition: var(--transition-base);
}

.pa-image-preview.has-image {
    border-style: solid;
    border-color: rgba(16, 185, 129, 0.3);
}

.pa-image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pa-image-placeholder {
    color: var(--text-muted);
    font-size: 0.6rem;
    text-align: center;
    line-height: 1.3;
    padding: 4px;
}

.pa-image-placeholder svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-muted);
    fill: none;
    margin-bottom: 4px;
}

/* Upload / Remove buttons */
.pa-img-btn {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-base);
    flex-shrink: 0;
}

.pa-img-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
}

.pa-img-btn svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
}

.pa-img-btn--remove {
    display: none;
}

.pa-img-btn--remove.visible {
    display: flex;
}

.pa-img-btn--remove:hover {
    color: #f87171;
    border-color: rgba(248, 113, 113, 0.3);
    background: rgba(248, 113, 113, 0.1);
}


/* Text input */
.pa-text-input {
    width: 100%;
    min-height: 72px;
    max-height: 120px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    color: var(--neon-green);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 16px;
    /* prevent iOS zoom */
    line-height: 1.5;
    resize: none;
    outline: none;
    transition: var(--transition-base);
}

.pa-text-input::placeholder {
    color: var(--text-muted);
    font-size: 0.78rem;
}

.pa-text-input:focus {
    border-color: var(--neon-green);
    background: rgba(255, 255, 255, 0.05);
}

.pa-helper-text {
    font-size: 0.65rem;
    color: var(--text-dim);
    line-height: 1.4;
    padding: 0 4px;
}


/* Generate button */
.pa-generate-btn {
    width: 100%;
    padding: 12px 20px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.85), rgba(34, 197, 94, 0.7));
    border: 1px solid rgba(16, 185, 129, 0.4);
    border-radius: var(--radius-sm);
    color: var(--deep-black);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    /* Critical for real mobile: eliminates 300ms iOS click delay */
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
    user-select: none;
    transition: var(--transition-base);
    box-shadow: 0 4px 20px var(--accent-green-glow);
}

.pa-generate-btn:hover {
    background: linear-gradient(135deg, rgba(16, 185, 129, 1), rgba(34, 197, 94, 0.95));
    box-shadow: 0 6px 28px var(--accent-green-glow);
    transform: translateY(-1px);
}

.pa-generate-btn:active {
    transform: translateY(0);
}

.pa-generate-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}


/* ── Utility: hidden file input ── */
.pa-hidden-input {
    display: none !important;
}


/* ── Toast feedback (scoped) ── */
.pa-toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(5, 10, 20, 0.92);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--text-white);
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 500;
    z-index: 6000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.3s ease;
}

.pa-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}


/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {

    .pa-panel,
    .pa-backdrop,
    .pa-trigger-btn,
    .pa-header-btn,
    .pa-img-btn,
    .pa-generate-btn,
    .pa-toast {
        transition: none !important;
        animation: none !important;
    }
}