/* ═══════════════════════════════════════════════════════════════════════════
   LUNA // PROMPT BUILDER
   Unified Luna Models design system (matches gallery / login / submit).
   Consolidates the old dual <style> blocks — every JS/HTML hook preserved.
   ═══════════════════════════════════════════════════════════════════════════ */

:root {
    /* ── Luna tokens ── */
    --bg-color: #0f0f1a;
    --bg-darker: #0a0c10;
    --text-color: #e0e0ff;
    --text-color-muted: #a0a0cc;
    --card-bg: rgba(30, 30, 50, 0.45);
    --card-bg-solid: #1a1a2e;
    --card-border: rgba(111, 66, 193, 0.25);
    --card-border-bright: rgba(111, 66, 193, 0.55);
    --input-bg: rgba(255, 255, 255, 0.06);
    --hover-bg: rgba(138, 43, 226, 0.12);
    --accent-primary: #8a2be2;
    --accent-primary-dark: #6f42c1;
    --accent-secondary: #00e5ff;
    --accent-secondary-dark: #00b8d4;
    --accent-pink: #ff4d8d;
    --cyan-dim: rgba(0, 229, 255, 0.12);
    --cyan-soft: rgba(0, 229, 255, 0.05);
    --purple-dim: rgba(138, 43, 226, 0.18);
    --purple-soft: rgba(138, 43, 226, 0.07);
    --danger: #ff6b6b;
    --danger-dim: rgba(255, 107, 107, 0.18);
    --danger-soft: rgba(255, 107, 107, 0.07);
    --success: #6bcb77;
    --success-dim: rgba(107, 203, 119, 0.18);
    --success-soft: rgba(107, 203, 119, 0.07);
    --warning: #ffcc66;
    --warning-dim: rgba(255, 204, 102, 0.18);
    --warning-soft: rgba(255, 204, 102, 0.07);
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-display: 'Orbitron', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    --radius-card: 18px;
    --radius-btn: 12px;
    --radius-sm: 8px;
    --radius-pill: 999px;
    --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    position: relative;
}

/* Luna ambient glows (purple top-right, cyan bottom-left — same as login/gallery) */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(ellipse 45% 40% at 70% 15%, rgba(138, 43, 226, 0.20), transparent 65%),
        radial-gradient(ellipse 45% 40% at 20% 85%, rgba(0, 229, 255, 0.12), transparent 65%);
    pointer-events: none;
}

::selection { background: var(--accent-primary); color: #fff; }

.visually-hidden { border: 0; clip: rect(0 0 0 0); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; width: 1px; }

/* ═══════════════════════════════════════════════════════════════════════════
   PAGE HEADLINE — Orbitron gradient, same as login/submit
   ═══════════════════════════════════════════════════════════════════════════ */
.builder-hero {
    text-align: center;
    padding: calc(70px + 2.2rem) 1rem 0.5rem;
}
.builder-hero h1 {
    font-family: var(--font-display);
    font-weight: 900;
    letter-spacing: 2px;
    margin: 0 0 0.25em;
    font-size: clamp(1.8rem, 4.5vw, 2.6rem);
    background: linear-gradient(100deg, #fff 10%, var(--accent-secondary) 45%, var(--accent-primary) 80%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    animation: headline-sheen 7s linear infinite;
    filter: drop-shadow(0 0 18px rgba(138, 43, 226, 0.4));
}
@keyframes headline-sheen { to { background-position: 200% center; } }
.builder-hero .builder-subtitle { color: var(--text-color-muted); font-size: 0.98rem; }

/* ═══════════════════════════════════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════════════════════════════════ */
.main-container {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 1.5rem;
    max-width: 1560px;
    margin: 1.5rem auto 2.5rem;
    padding: 0 1.5rem;
    position: relative;
    z-index: 1;
}

/* ═══════════════════════════════════════════════════════════════════════════
   GLASS PANELS
   ═══════════════════════════════════════════════════════════════════════════ */
.control-panel, .workspace-panel, .history-panel, .total-lines-counter {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-card);
    padding: 1.75rem;
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35), 0 0 30px rgba(138, 43, 226, 0.08);
    position: relative;
    overflow: hidden;
    animation: fadeIn 0.5s ease-out;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: translateY(0); } }

/* Gradient top edge — same signature as the login card */
.control-panel::before, .workspace-panel::before, .history-panel::before, .total-lines-counter::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), var(--accent-secondary), transparent);
}

.control-panel { transition: transform 0.35s ease, opacity 0.35s ease; align-self: start; }

/* ═══════════════════════════════════════════════════════════════════════════
   TYPOGRAPHY
   ═══════════════════════════════════════════════════════════════════════════ */
.panel-title {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.24em;
    white-space: nowrap;
    text-transform: uppercase;
    color: var(--text-color);
    margin: 0 0 1.4rem;
    padding-bottom: 0.95rem;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    gap: 0.7rem;
    position: relative;
}
.panel-title::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--accent-secondary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-secondary), 0 0 20px var(--accent-secondary);
    flex-shrink: 0;
    animation: pulseDot 2.5s ease-in-out infinite;
}
.panel-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--card-border), transparent);
}
@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.5; transform: scale(0.85); }
}

.section-label {
    font-family: var(--font-display);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-color-muted);
    margin-bottom: 0.6rem;
    display: block;
}

/* ═══════════════════════════════════════════════════════════════════════════
   CONTROLS & FORMS
   ═══════════════════════════════════════════════════════════════════════════ */
.control-group { margin-bottom: 1.4rem; }
.control-group:last-child { margin-bottom: 0; }
.control-group > label:not(.inline-check) {
    display: block;
    font-family: var(--font-display);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-color-muted);
    margin-bottom: 0.55rem;
}

select, input[type="text"], input[type="url"], textarea {
    font-family: var(--font-main);
    transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

select {
    width: 100%;
    padding: 0.7rem 2.2rem 0.7rem 0.95rem;
    font-size: 0.92rem;
    border-radius: var(--radius-btn);
    border: 1px solid var(--card-border);
    background-color: var(--input-bg);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300e5ff' stroke-width='1.4' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.95rem center;
    color: var(--text-color);
    cursor: pointer;
    appearance: none;
}
select:focus {
    outline: none;
    border-color: var(--accent-secondary);
    box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15), 0 0 18px rgba(0, 229, 255, 0.1);
}
select option { background: var(--card-bg-solid); color: var(--text-color); }

input[type="text"], input[type="url"] {
    width: 100%;
    padding: 0.7rem 0.95rem;
    font-size: 0.92rem;
    border-radius: var(--radius-btn);
    border: 1px solid var(--card-border);
    background: var(--input-bg);
    color: var(--text-color);
    outline: none;
}
input[type="text"]:focus, input[type="url"]:focus {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15), 0 0 18px rgba(0, 229, 255, 0.1);
}
input[type="text"]::placeholder, input[type="url"]::placeholder { color: var(--text-color-muted); }

/* ═══════════════════════════════════════════════════════════════════════════
   BUTTONS — Luna gradient CTAs, 12px radius
   ═══════════════════════════════════════════════════════════════════════════ */
button {
    width: 100%;
    padding: 0.75rem 1.2rem;
    font-size: 0.8rem;
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border-radius: var(--radius-btn);
    border: 1px solid var(--card-border);
    background: var(--input-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), color var(--transition), background var(--transition), opacity var(--transition);
    white-space: nowrap;
}
button:hover:not(:disabled) { border-color: var(--accent-secondary); color: var(--accent-secondary); box-shadow: 0 0 18px rgba(0, 229, 255, 0.15); }
button:active:not(:disabled) { transform: scale(0.98); }
button:disabled { opacity: 0.35; cursor: not-allowed; transform: none !important; }

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
    border: none;
    box-shadow: 0 8px 26px rgba(138, 43, 226, 0.45);
}
.btn-primary:hover:not(:disabled) {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 34px rgba(0, 229, 255, 0.4);
    border: none;
}

.btn-secondary { background: transparent; border-color: var(--card-border); color: var(--text-color-muted); }
.btn-secondary:hover:not(:disabled) { border-color: var(--accent-secondary); color: var(--accent-secondary); background: var(--cyan-soft); }

.btn-purple { background: transparent; border-color: var(--accent-primary); color: #c9a6ff; }
.btn-purple:hover:not(:disabled) { background: var(--purple-soft); box-shadow: 0 0 18px rgba(138, 43, 226, 0.35); border-color: var(--accent-primary); color: #dbc2ff; }

.btn-success { background: transparent; border-color: var(--success); color: var(--success); }
.btn-success:hover:not(:disabled) { background: var(--success-soft); box-shadow: 0 0 16px rgba(107, 203, 119, 0.3); border-color: var(--success); color: var(--success); }

/* ── Checkboxes ── */
label.inline-check {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-color);
    padding: 0.4rem 0;
    transition: color var(--transition);
}
label.inline-check:hover { color: var(--accent-secondary); }

input[type="checkbox"] {
    width: 16px; height: 16px;
    accent-color: var(--accent-primary);
    cursor: pointer;
    flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════════════
   TAG MODIFIERS
   ═══════════════════════════════════════════════════════════════════════════ */
#tag-modifiers-container {
    max-height: 42vh;
    overflow-y: auto;
    padding-right: 6px;
    scrollbar-width: thin;
    scrollbar-color: var(--card-border-bright) transparent;
}
#tag-modifiers-container::-webkit-scrollbar { width: 4px; }
#tag-modifiers-container::-webkit-scrollbar-thumb { background: var(--card-border-bright); border-radius: 4px; }

.tag-category-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-btn);
    padding: 0.7rem 0.85rem;
    margin-bottom: 0.5rem;
    transition: all var(--transition);
}
.tag-category-item:hover { border-color: var(--card-border-bright); background: var(--hover-bg); }
.tag-category-item.active {
    border-color: rgba(0, 229, 255, 0.45);
    background: var(--cyan-soft);
    box-shadow: 0 0 14px rgba(0, 229, 255, 0.12);
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-left: 1.65rem;
    margin-top: 0.6rem;
    opacity: 0.3;
    transition: opacity var(--transition);
    pointer-events: none;
}
.slider-container.enabled { opacity: 1; pointer-events: all; }

input[type="range"] {
    flex-grow: 1;
    accent-color: var(--accent-secondary);
    cursor: pointer;
    height: 4px;
}
.slider-value {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    min-width: 1.6em;
    text-align: center;
    color: var(--accent-secondary);
    background: var(--cyan-dim);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0, 229, 255, 0.25);
    font-variant-numeric: tabular-nums;
}

/* ═══════════════════════════════════════════════════════════════════════════
   TOGGLE PILLS
   ═══════════════════════════════════════════════════════════════════════════ */
.toggle-pill {
    display: flex;
    gap: 0;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-pill);
    padding: 3px;
    width: fit-content;
}
.toggle-pill input[type="radio"] { display: none; }
.toggle-pill label {
    padding: 0.4rem 1rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--text-color-muted);
    transition: all var(--transition);
    white-space: nowrap;
    text-transform: none;
}
.toggle-pill label:hover { color: var(--text-color); }
.toggle-pill input:checked + label {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(0, 229, 255, 0.25);
}
.toggle-pill.purple input:checked + label {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-pink));
    color: #fff;
}

/* ═══════════════════════════════════════════════════════════════════════════
   PROMPT OUTPUT
   ═══════════════════════════════════════════════════════════════════════════ */
.prompt-output-wrapper { position: relative; }

#prompt-output-area {
    width: 100%;
    min-height: 240px;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-left: 3px solid var(--accent-secondary);
    border-radius: var(--radius-btn);
    padding: 1.1rem 1.2rem;
    font-family: var(--font-mono);
    font-size: 0.92rem;
    line-height: 1.75;
    color: var(--text-color);
    resize: vertical;
    outline: none;
    caret-color: var(--accent-secondary);
    transition: border-color var(--transition), box-shadow var(--transition);
    scrollbar-width: thin;
    scrollbar-color: var(--card-border-bright) transparent;
}
#prompt-output-area:focus {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15), 0 0 18px rgba(0, 229, 255, 0.1);
}
#prompt-output-area.loading { cursor: wait; opacity: 0.6; }
#prompt-output-area::placeholder { color: var(--text-color-muted); }

/* ═══════════════════════════════════════════════════════════════════════════
   COUNTERS
   ═══════════════════════════════════════════════════════════════════════════ */
.char-counter-bar {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.6rem;
    margin-top: 0.5rem;
}
.char-counter-track {
    flex: 1;
    height: 2px;
    background: var(--card-border);
    border-radius: 1px;
    overflow: hidden;
}
.char-counter-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 1px;
    transition: width 0.25s, background 0.3s;
    width: 0%;
}
#char-counter-text {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-color-muted);
    transition: color var(--transition);
    font-variant-numeric: tabular-nums;
}

.token-counter-bar {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-top: 0.6rem;
    padding: 0.5rem 0.85rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-btn);
    border: 1px solid var(--card-border);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-color-muted);
    flex-wrap: wrap;
}
.token-counter-bar::before {
    content: 'Σ';
    color: var(--accent-secondary);
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    margin-right: 0.2rem;
}
.token-stat { display: flex; align-items: center; gap: 0.35rem; white-space: nowrap; }
.token-stat .token-value { color: var(--text-color); font-weight: 500; font-variant-numeric: tabular-nums; }
.token-sep { color: var(--card-border-bright); }
.model-limit-badge {
    margin-left: auto;
    padding: 0.18rem 0.6rem;
    border-radius: var(--radius-pill);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    white-space: nowrap;
    transition: all 0.2s;
    font-family: var(--font-display);
}
.limit-ok { background: var(--success-soft); color: var(--success); border: 1px solid var(--success-dim); }
.limit-warn { background: var(--warning-soft); color: var(--warning); border: 1px solid var(--warning-dim); }
.limit-over { background: var(--danger-soft); color: var(--danger); border: 1px solid var(--danger-dim); }

/* ═══════════════════════════════════════════════════════════════════════════
   MESSAGES
   ═══════════════════════════════════════════════════════════════════════════ */
.message-area { margin: 0.85rem 0; min-height: 0; }
.msg-error, .msg-success, .msg-info {
    padding: 0.65rem 1rem;
    border-radius: var(--radius-btn);
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    animation: msgFadeIn 0.25s ease;
    border-left: 3px solid;
}
@keyframes msgFadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
.msg-error { background: var(--danger-soft); border: 1px solid var(--danger-dim); border-left-color: var(--danger); color: var(--danger); }
.msg-error::before { content: '✕'; font-weight: 700; }
.msg-success { background: var(--success-soft); border: 1px solid var(--success-dim); border-left-color: var(--success); color: var(--success); }
.msg-success::before { content: '✓'; font-weight: 700; }
.msg-info { background: var(--warning-soft); border: 1px solid var(--warning-dim); border-left-color: var(--warning); color: var(--warning); }
.msg-info::before { content: '◉'; }

.load-error-message {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--danger);
    padding: 2em;
    margin: 1em 0;
    border: 1px dashed var(--danger);
    background: var(--danger-soft);
    border-radius: var(--radius-card);
}

/* ═══════════════════════════════════════════════════════════════════════════
   DROP ZONE
   ═══════════════════════════════════════════════════════════════════════════ */
#drop-zone {
    border: 2px dashed var(--card-border-bright);
    border-radius: var(--radius-card);
    padding: 1.75rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background: rgba(255, 255, 255, 0.02);
    position: relative;
}
#drop-zone:hover, #drop-zone.drag-over { border-color: var(--accent-secondary); background: var(--cyan-soft); }
#drop-zone.drag-over { box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15), 0 0 24px rgba(0, 229, 255, 0.15); }
.drop-zone-icon {
    font-size: 2rem;
    margin-bottom: 0.4rem;
    display: block;
    filter: drop-shadow(0 0 8px var(--accent-secondary));
}
.drop-zone-title { font-size: 0.95rem; font-weight: 500; color: var(--text-color); margin-bottom: 0.3rem; }
.drop-zone-sub { font-size: 0.76rem; color: var(--text-color-muted); }

.image-preview-container {
    border: 1px solid var(--card-border);
    border-radius: var(--radius-card);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
    display: none;
    margin-top: 0.75rem;
}
.image-preview-inner { position: relative; }
.image-preview-inner img {
    width: 100%;
    max-height: 38vh;
    object-fit: contain;
    display: block;
    background: var(--bg-darker);
}
.image-preview-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: linear-gradient(transparent, rgba(10, 12, 16, 0.95));
    padding: 1rem 0.85rem 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    opacity: 0;
    transition: opacity var(--transition);
}
.image-preview-inner:hover .image-preview-overlay { opacity: 1; }
.image-preview-meta { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-color-muted); }
.image-preview-meta .fname { color: var(--accent-secondary); display: block; }
.image-preview-buttons { display: flex; gap: 0.4rem; }
.image-preview-buttons button { width: auto; font-size: 0.72rem; padding: 0.35rem 0.7rem; }

/* ═══════════════════════════════════════════════════════════════════════════
   WORKSPACE
   ═══════════════════════════════════════════════════════════════════════════ */
.workspace-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 0.85rem;
}
.enhancement-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    flex: 1;
}
.enhancement-group button { width: auto; }

.workspace-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.4rem;
    padding-bottom: 0.95rem;
    border-bottom: 1px solid var(--card-border);
}
.workspace-header .panel-title { margin: 0; padding: 0; border: 0; }
.workspace-header .panel-title::after { display: none; }
.workspace-header-actions { display: flex; gap: 0.5rem; }
.workspace-header-actions button { width: auto; font-size: 0.72rem; padding: 0.4rem 0.8rem; }

/* ═══════════════════════════════════════════════════════════════════════════
   HACKER TEXT · typewriter (keepsake)
   ═══════════════════════════════════════════════════════════════════════════ */
.hacker-container {
    text-align: center;
    margin-bottom: 1.5rem;
    height: 2.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hacker-text h2 {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent-secondary);
    white-space: nowrap;
    overflow: hidden;
    display: inline-block;
    border-right: 2px solid var(--accent-secondary);
    animation: typing 3.5s steps(35, end) forwards, blink-caret 0.85s step-end infinite;
    width: 0;
    text-shadow: 0 0 8px rgba(0, 229, 255, 0.5);
}
@keyframes typing { from { width: 0; } to { width: 100%; } }
@keyframes blink-caret { from, to { border-color: transparent; } 50% { border-color: var(--accent-secondary); } }

/* ═══════════════════════════════════════════════════════════════════════════
   LABELED DIVIDERS
   ═══════════════════════════════════════════════════════════════════════════ */
.labeled-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.2rem 0 0.85rem;
}
.labeled-divider::before, .labeled-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--card-border);
}
.labeled-divider span {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-color-muted);
    white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════════════════════════
   BADGES
   ═══════════════════════════════════════════════════════════════════════════ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius-pill);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    vertical-align: middle;
}
.badge-new {
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-primary));
    color: #fff;
    box-shadow: 0 2px 10px rgba(255, 77, 141, 0.35);
}
.badge-updated {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
    box-shadow: 0 2px 10px rgba(0, 229, 255, 0.25);
}

/* ═══════════════════════════════════════════════════════════════════════════
   TOTAL LINES COUNTER
   ═══════════════════════════════════════════════════════════════════════════ */
.total-lines-counter { grid-column: 1 / -1; text-align: center; padding: 2.5rem 1.5rem; }
.total-lines-counter .counter-label {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--text-color-muted);
    margin-bottom: 0.6rem;
}
.total-lines-counter strong {
    font-family: var(--font-display);
    font-size: 3.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 50%, var(--accent-pink) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 8s ease-in-out infinite;
    display: block;
    line-height: 1;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums;
}
@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50%      { background-position: 100% 50%; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   HISTORY
   ═══════════════════════════════════════════════════════════════════════════ */
.history-panel { grid-column: 1 / -1; padding: 1.75rem; }
.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.1rem;
    padding-bottom: 0.95rem;
    border-bottom: 1px solid var(--card-border);
}
.history-header .panel-title { margin: 0; padding: 0; border: 0; }
.history-header .panel-title::after { display: none; }
.history-header button { width: auto; font-size: 0.72rem; padding: 0.4rem 0.8rem; }

.history-list {
    list-style: none;
    max-height: 420px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--card-border-bright) transparent;
}
.history-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.95rem 1rem;
    border-radius: var(--radius-btn);
    margin-bottom: 0.4rem;
    transition: all var(--transition);
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.03);
}
.history-item:hover { background: var(--hover-bg); border-color: var(--card-border-bright); }
.history-item-content { flex: 1; min-width: 0; }
.history-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.55rem;
    font-size: 0.62rem;
    font-weight: 700;
    font-family: var(--font-display);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border-radius: var(--radius-pill);
}
.history-tag-generated { background: var(--cyan-dim); color: var(--accent-secondary); border: 1px solid rgba(0, 229, 255, 0.3); }
.history-tag-analyzed { background: var(--purple-dim); color: #c9a6ff; border: 1px solid rgba(138, 43, 226, 0.45); }
.history-tag-enhanced { background: var(--success-dim); color: var(--success); border: 1px solid var(--success-dim); }
.history-prompt {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.55;
    color: var(--text-color-muted);
    word-break: break-word;
    margin-bottom: 0.3rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}
.history-item.expanded .history-prompt { -webkit-line-clamp: unset; display: block; }
.history-timestamp { font-size: 0.7rem; color: var(--text-color-muted); font-family: var(--font-mono); opacity: 0.8; }
.history-actions button { width: auto; font-size: 0.72rem; padding: 0.35rem 0.7rem; flex-shrink: 0; }
#history-placeholder { justify-content: center; color: var(--text-color-muted); font-size: 0.88rem; font-style: italic; }
.history-item.hidden { display: none; }

/* ═══════════════════════════════════════════════════════════════════════════
   MODALS
   ═══════════════════════════════════════════════════════════════════════════ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 12, 16, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 1rem;
}
.modal-overlay.active { display: flex; }
.modal-box {
    background: var(--card-bg-solid);
    border: 1px solid var(--card-border-bright);
    border-radius: var(--radius-card);
    padding: 2rem;
    max-width: 480px;
    width: 100%;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.7), 0 0 30px rgba(138, 43, 226, 0.2);
    animation: modalIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
}
.modal-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-primary), var(--accent-secondary), transparent);
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.92) translateY(20px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-box h3 {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent-secondary);
    margin-bottom: 0.85rem;
}
.modal-box p { color: var(--text-color-muted); font-size: 0.9rem; margin-bottom: 1.5rem; }
.modal-actions { display: flex; gap: 0.75rem; justify-content: flex-end; }
.modal-actions button { width: auto; }
#report-modal-box { max-width: 580px; }
.report-form-group { margin-bottom: 1.1rem; }
.report-form-group label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-color-muted);
    margin-bottom: 0.45rem;
}
.report-form-group input, .report-form-group select, .report-form-group textarea {
    width: 100%;
    padding: 0.65rem 0.95rem;
    font-size: 0.88rem;
    font-family: var(--font-main);
    border-radius: var(--radius-btn);
    border: 1px solid var(--card-border);
    background: var(--input-bg);
    color: var(--text-color);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.report-form-group input:focus, .report-form-group select:focus, .report-form-group textarea:focus {
    outline: none;
    border-color: var(--accent-secondary);
    box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
}
#report-modal-box textarea { min-height: 130px; resize: vertical; font-family: var(--font-mono); font-size: 0.85rem; }
#report-char-counter {
    text-align: right;
    font-size: 0.7rem;
    color: var(--text-color-muted);
    margin-top: 3px;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}

/* ═══════════════════════════════════════════════════════════════════════════
   OPTIONS ROW
   ═══════════════════════════════════════════════════════════════════════════ */
.options-row { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.options-row .section-label { margin: 0; white-space: nowrap; }

/* ═══════════════════════════════════════════════════════════════════════════
   CONFIG CARD
   ═══════════════════════════════════════════════════════════════════════════ */
.config-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-card);
    padding: 1.15rem 1.25rem;
    margin-bottom: 1.1rem;
}
.config-card-title {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-color-muted);
    margin-bottom: 0.85rem;
}

.screenplay-toggle {
    margin-top: 0.65rem;
    padding: 0.65rem 0.85rem;
    background: var(--purple-soft);
    border: 1px solid var(--card-border-bright);
    border-left: 3px solid var(--accent-primary);
    border-radius: var(--radius-btn);
    display: none;
}
.screenplay-toggle.visible { display: block; }

/* ═══════════════════════════════════════════════════════════════════════════
   SCROLLBARS
   ═══════════════════════════════════════════════════════════════════════════ */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--card-border-bright); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-secondary); }

/* ═══════════════════════════════════════════════════════════════════════════
   TAG SEARCH
   ═══════════════════════════════════════════════════════════════════════════ */
.tag-search-wrapper { position: relative; margin-bottom: 1rem; }
.tag-search-input {
    width: 100%;
    padding: 0.7rem 0.95rem 0.7rem 2.2rem;
    font-size: 0.88rem;
    font-family: var(--font-main);
    border-radius: var(--radius-btn);
    border: 1px solid var(--card-border);
    background: var(--input-bg);
    color: var(--text-color);
    outline: none;
    transition: all var(--transition);
}
.tag-search-input:focus {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
}
.tag-search-input::placeholder { color: var(--text-color-muted); }
.tag-search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.85rem;
    pointer-events: none;
    opacity: 0.5;
}
.tag-search-count {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.65rem;
    font-family: var(--font-mono);
    color: var(--text-color-muted);
    pointer-events: none;
    font-variant-numeric: tabular-nums;
}
.tag-search-dropdown {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    max-height: 280px;
    overflow-y: auto;
    background: var(--card-bg-solid);
    border: 1px solid var(--card-border-bright);
    border-top: none;
    border-radius: 0 0 var(--radius-btn) var(--radius-btn);
    z-index: 100;
    display: none;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5);
    scrollbar-width: thin;
    scrollbar-color: var(--card-border-bright) transparent;
}
.tag-search-dropdown.open { display: block; }
.tag-search-result {
    padding: 0.55rem 0.85rem;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-color-muted);
    border-bottom: 1px solid var(--card-border);
    transition: all 0.15s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: var(--font-mono);
}
.tag-search-result:last-child { border-bottom: none; }
.tag-search-result:hover, .tag-search-result.active { background: var(--cyan-soft); color: var(--accent-secondary); }
.tag-search-result mark { background: transparent; color: var(--accent-secondary); font-weight: 700; }
.tag-search-empty { padding: 1rem; text-align: center; font-size: 0.82rem; color: var(--text-color-muted); font-style: italic; }
.tag-search-loading { padding: 1rem; text-align: center; font-size: 0.82rem; color: var(--warning); }

/* ═══════════════════════════════════════════════════════════════════════════
   RETRY / RESTORE / QUEUE
   ═══════════════════════════════════════════════════════════════════════════ */
#retry-restore-container {
    display: none;
    gap: 0.5rem;
    margin-top: 0.6rem;
    flex-wrap: wrap;
    align-items: center;
}
#retry-restore-container button { width: auto; padding: 0.45rem 0.85rem; font-size: 0.74rem; }

#queue-badge {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    background: var(--card-bg-solid);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--warning);
    border-left: 3px solid var(--warning);
    border-radius: var(--radius-btn);
    padding: 0.7rem 1.1rem;
    font-size: 0.82rem;
    color: var(--warning);
    z-index: 999;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.5);
    font-family: var(--font-mono);
    max-width: 300px;
    line-height: 1.5;
    display: none;
}
#queue-badge .queue-sub { font-size: 0.7rem; opacity: 0.7; display: block; margin-top: 0.25rem; }
.queue-msg-append {
    padding: 0.55rem 1rem;
    border-radius: var(--radius-btn);
    font-size: 0.85rem;
    font-weight: 500;
    background: var(--cyan-soft);
    border: 1px solid rgba(0, 229, 255, 0.2);
    border-left: 3px solid var(--accent-secondary);
    color: var(--accent-secondary);
    margin-top: 0.4rem;
    animation: msgFadeIn 0.25s ease;
}
.queue-msg-append::before { content: '🕐 '; }

/* ═══════════════════════════════════════════════════════════════════════════
   SIDEBAR TOGGLE
   ═══════════════════════════════════════════════════════════════════════════ */
.sidebar-toggle-btn {
    display: none;
    position: fixed;
    top: 82px;
    left: 0.85rem;
    z-index: 500;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--card-bg-solid);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border-bright);
    color: var(--accent-secondary);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition);
    align-items: center;
    justify-content: center;
    padding: 0;
    letter-spacing: 0;
    text-transform: none;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}
.sidebar-toggle-btn:hover { border-color: var(--accent-secondary); box-shadow: 0 0 16px rgba(0, 229, 255, 0.25); color: var(--accent-secondary); }
@media (max-width: 1100px) { .sidebar-toggle-btn { display: flex; } }

body.sidebar-collapsed .control-panel {
    transform: translateX(-110%);
    opacity: 0;
    pointer-events: none;
    position: absolute;
}
body.sidebar-collapsed .main-container { grid-template-columns: 1fr; }
body.sidebar-collapsed .sidebar-toggle-btn { left: 0.85rem; }
@media (min-width: 1101px) {
    .sidebar-toggle-btn { display: flex; }
    body.sidebar-collapsed .main-container { grid-template-columns: 1fr; max-width: 980px; }
    body:not(.sidebar-collapsed) .main-container { grid-template-columns: 320px 1fr; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   COLLAPSIBLE SECTIONS
   ═══════════════════════════════════════════════════════════════════════════ */
.section-collapse-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    padding: 0.5rem 0;
    user-select: none;
    transition: color var(--transition);
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-color-muted);
    width: 100%;
}
.section-collapse-header:hover { color: var(--accent-secondary); }
.section-collapse-header .collapse-arrow {
    font-size: 0.7rem;
    color: var(--text-color-muted);
    transition: transform 0.25s;
    flex-shrink: 0;
}
.section-collapse-header.collapsed .collapse-arrow { transform: rotate(-90deg); }
.section-collapse-body {
    overflow: hidden;
    transition: max-height 0.35s ease, opacity 0.25s;
    max-height: 2000px;
    opacity: 1;
}
.section-collapse-body.collapsed { max-height: 0 !important; opacity: 0; pointer-events: none; }

/* ═══════════════════════════════════════════════════════════════════════════
   FULLSCREEN EDITOR
   ═══════════════════════════════════════════════════════════════════════════ */
.editor-fullscreen-overlay {
    position: fixed;
    inset: 0;
    z-index: 900;
    background: var(--bg-color);
    display: none;
    flex-direction: column;
    padding: calc(70px + 1.5rem) 1.5rem 1.5rem;
    animation: fadeIn 0.25s;
}
.editor-fullscreen-overlay.active { display: flex; }
.fullscreen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.1rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--card-border);
}
.fullscreen-header .panel-title { margin: 0; padding: 0; border: 0; }
.fullscreen-header .panel-title::after { display: none; }
.fullscreen-header-actions { display: flex; gap: 0.5rem; }
.fullscreen-header-actions button { width: auto; padding: 0.45rem 0.9rem; font-size: 0.76rem; }
.fullscreen-editor-container { flex: 1; display: flex; flex-direction: column; gap: 0.85rem; min-height: 0; }
.fullscreen-editor-container textarea {
    flex: 1;
    min-height: 300px;
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-left: 3px solid var(--accent-secondary);
    border-radius: var(--radius-btn);
    padding: 1.4rem 1.5rem;
    font-family: var(--font-mono);
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-color);
    resize: none;
    outline: none;
    caret-color: var(--accent-secondary);
    scrollbar-width: thin;
    scrollbar-color: var(--card-border-bright) transparent;
}
.fullscreen-editor-container textarea:focus {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
}
.fullscreen-editor-container textarea::placeholder { color: var(--text-color-muted); }
.fullscreen-bottom-bar { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

/* ═══════════════════════════════════════════════════════════════════════════
   NEGATIVE PROMPT
   ═══════════════════════════════════════════════════════════════════════════ */
.negative-prompt-section { margin-top: 0.85rem; }
.negative-prompt-section label.section-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.negative-prompt-toggle {
    font-size: 0.7rem;
    color: var(--text-color-muted);
    cursor: pointer;
    font-weight: 400;
    letter-spacing: 0;
    text-transform: none;
    transition: color var(--transition);
}
.negative-prompt-toggle:hover { color: var(--accent-secondary); }
#negative-prompt-area {
    width: 100%;
    min-height: 70px;
    background: var(--input-bg);
    border: 1px solid var(--danger-dim);
    border-left: 3px solid var(--danger);
    border-radius: var(--radius-btn);
    padding: 0.85rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.6;
    color: var(--text-color);
    resize: vertical;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    scrollbar-width: thin;
    scrollbar-color: var(--card-border-bright) transparent;
    margin-top: 0.45rem;
}
#negative-prompt-area:focus { border-color: var(--danger); box-shadow: 0 0 0 3px var(--danger-dim); }
#negative-prompt-area::placeholder { color: var(--text-color-muted); font-style: italic; font-size: 0.78rem; }
.negative-preset-btns { display: none; gap: 0.4rem; flex-wrap: wrap; margin-top: 0.5rem; }
.negative-preset-btn {
    width: auto;
    padding: 0.28rem 0.7rem;
    font-size: 0.66rem;
    letter-spacing: 0.06em;
    text-transform: none;
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-color-muted);
    border-radius: var(--radius-pill);
}
.negative-preset-btn:hover { border-color: var(--danger); color: var(--danger); background: var(--danger-soft); }
.negative-preset-btn.active { border-color: var(--danger); color: var(--danger); background: var(--danger-soft); }

/* ═══════════════════════════════════════════════════════════════════════════
   DIFF VIEW
   ═══════════════════════════════════════════════════════════════════════════ */
.diff-container {
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-btn);
    padding: 1rem 1.1rem;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    line-height: 1.7;
    max-height: 400px;
    overflow-y: auto;
    display: none;
    scrollbar-width: thin;
    scrollbar-color: var(--card-border-bright) transparent;
}
.diff-container.active { display: block; }
.diff-line { padding: 0.15rem 0.6rem; border-radius: 2px; margin-bottom: 1px; }
.diff-added { background: var(--success-soft); color: var(--success); border-left: 2px solid var(--success); }
.diff-removed { background: var(--danger-soft); color: var(--danger); text-decoration: line-through; opacity: 0.7; border-left: 2px solid var(--danger); }
.diff-unchanged { color: var(--text-color-muted); border-left: 2px solid transparent; }
.diff-toggle-btn { width: auto; padding: 0.35rem 0.8rem; font-size: 0.72rem; }
.diff-toggle-btn.active { background: var(--cyan-soft); border-color: var(--accent-secondary); color: var(--accent-secondary); }
.diff-stats {
    display: flex;
    gap: 1rem;
    padding: 0.5rem 0;
    font-size: 0.72rem;
    color: var(--text-color-muted);
    border-bottom: 1px solid var(--card-border);
    margin-bottom: 0.5rem;
}
.diff-stats .stat-added { color: var(--success); }
.diff-stats .stat-removed { color: var(--danger); }
.diff-stats .stat-unchanged { color: var(--text-color-muted); }

/* ═══════════════════════════════════════════════════════════════════════════
   UNDO/REDO
   ═══════════════════════════════════════════════════════════════════════════ */
.undo-redo-container { display: flex; gap: 0.25rem; }
.undo-redo-container button { width: auto; padding: 0.35rem 0.65rem; font-size: 0.85rem; min-width: 36px; }
.undo-redo-container button:disabled { opacity: 0.25; }

/* ═══════════════════════════════════════════════════════════════════════════
   TAG PRESETS
   ═══════════════════════════════════════════════════════════════════════════ */
.tag-presets-container { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.85rem; }
.tag-preset-btn {
    width: auto;
    padding: 0.32rem 0.7rem;
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    text-transform: none;
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-color-muted);
    border-radius: var(--radius-pill);
    transition: all var(--transition);
}
.tag-preset-btn:hover { border-color: var(--accent-secondary); color: var(--accent-secondary); background: var(--cyan-soft); }
.tag-preset-btn.active {
    border-color: var(--accent-secondary);
    color: var(--accent-secondary);
    background: var(--cyan-soft);
    box-shadow: 0 0 8px rgba(0, 229, 255, 0.15);
}

/* ═══════════════════════════════════════════════════════════════════════════
   BUILD BUTTON STATES
   ═══════════════════════════════════════════════════════════════════════════ */
.btn-primary.building {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-pink)) !important;
    color: #fff !important;
    cursor: wait !important;
    position: relative;
    overflow: hidden;
}
.btn-primary.building::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.15) 50%, transparent 100%);
    animation: buildShimmer 1.5s infinite;
}
@keyframes buildShimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }
.btn-primary.build-success { background: linear-gradient(135deg, var(--success), #3d9e4d) !important; color: #fff !important; }
.btn-primary.build-failed { background: transparent !important; border: 1px solid var(--danger) !important; color: var(--danger) !important; }

/* ═══════════════════════════════════════════════════════════════════════════
   EXPANDABLE HISTORY (extended)
   ═══════════════════════════════════════════════════════════════════════════ */
.history-expand-indicator {
    font-size: 0.68rem;
    color: var(--text-color-muted);
    cursor: pointer;
    transition: color var(--transition);
    display: inline-block;
    margin-bottom: 0.3rem;
}
.history-expand-indicator:hover { color: var(--accent-secondary); }
.history-meta { display: flex; gap: 0.85rem; align-items: center; flex-wrap: wrap; margin-bottom: 0.4rem; }
.history-meta-tag {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 0.12rem 0.45rem;
    border-radius: 4px;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    color: var(--text-color-muted);
}
.history-search-wrapper { position: relative; margin-bottom: 0.85rem; }
.history-search-input {
    width: 100%;
    padding: 0.55rem 0.8rem 0.55rem 2rem;
    font-size: 0.82rem;
    font-family: var(--font-main);
    border-radius: var(--radius-btn);
    border: 1px solid var(--card-border);
    background: var(--input-bg);
    color: var(--text-color);
    outline: none;
    transition: all var(--transition);
}
.history-search-input:focus { border-color: var(--accent-secondary); box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15); }
.history-search-input::placeholder { color: var(--text-color-muted); }
.history-search-icon {
    position: absolute;
    left: 0.7rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    pointer-events: none;
    opacity: 0.4;
}
.history-filter-row { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.85rem; }
.history-filter-btn {
    width: auto;
    padding: 0.3rem 0.7rem;
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    text-transform: none;
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-color-muted);
    border-radius: var(--radius-pill);
}
.history-filter-btn:hover { border-color: var(--accent-secondary); color: var(--accent-secondary); }
.history-filter-btn.active { border-color: var(--accent-secondary); color: var(--accent-secondary); background: var(--cyan-soft); }
.history-fav-btn {
    width: auto;
    padding: 0.3rem 0.55rem;
    font-size: 0.9rem;
    min-width: auto;
    background: transparent;
    border: none;
    color: var(--text-color-muted);
    opacity: 0.4;
    transition: all var(--transition);
}
.history-fav-btn:hover { opacity: 1; color: var(--warning); }
.history-fav-btn.favorited { opacity: 1; color: var(--warning); text-shadow: 0 0 8px rgba(255, 204, 102, 0.4); }

/* ═══════════════════════════════════════════════════════════════════════════
   KEYBOARD SHORTCUT HINTS
   ═══════════════════════════════════════════════════════════════════════════ */
.kbd-hint {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    font-size: 0.58rem;
    font-family: var(--font-mono);
    color: var(--text-color-muted);
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--card-border);
    border-radius: 4px;
    margin-left: 0.45rem;
    vertical-align: middle;
    letter-spacing: 0;
    line-height: 1.2;
    text-transform: none;
    font-weight: 400;
}
.btn-primary .kbd-hint { color: rgba(255, 255, 255, 0.75); border-color: rgba(255, 255, 255, 0.25); }

/* ═══════════════════════════════════════════════════════════════════════════
   TOAST NOTIFICATIONS
   ═══════════════════════════════════════════════════════════════════════════ */
.toast-container {
    position: fixed;
    top: 82px;
    right: 1.5rem;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    pointer-events: none;
}
.toast {
    padding: 0.7rem 1.1rem;
    border-radius: var(--radius-btn);
    font-size: 0.82rem;
    font-weight: 500;
    pointer-events: auto;
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
    max-width: 340px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--card-bg-solid);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-left: 3px solid;
}
@keyframes toastIn { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; transform: translateY(-10px); } }
.toast-success { border-left-color: var(--success); color: var(--success); }
.toast-success::before { content: '✓'; font-weight: 700; }
.toast-error { border-left-color: var(--danger); color: var(--danger); }
.toast-error::before { content: '✕'; font-weight: 700; }
.toast-info { border-left-color: var(--accent-secondary); color: var(--accent-secondary); }
.toast-info::before { content: '◉'; }

/* ═══════════════════════════════════════════════════════════════════════════
   EDITOR STATE INDICATOR
   ═══════════════════════════════════════════════════════════════════════════ */
.editor-state-indicator {
    position: absolute;
    top: 0.6rem;
    right: 0.85rem;
    display: flex;
    gap: 0.4rem;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-color-muted);
    pointer-events: none;
    z-index: 2;
}
.editor-state-dot { width: 6px; height: 6px; border-radius: 50%; transition: background 0.2s; }
.state-clean { background: var(--success); box-shadow: 0 0 6px var(--success); }
.state-modified { background: var(--warning); box-shadow: 0 0 6px var(--warning); }
.state-unsaved { background: var(--danger); box-shadow: 0 0 6px var(--danger); }

/* ═══════════════════════════════════════════════════════════════════════════
   MODEL INFO BAR
   ═══════════════════════════════════════════════════════════════════════════ */
.model-info-bar {
    display: none;
    padding: 0.45rem 0.85rem;
    background: var(--purple-soft);
    border: 1px solid var(--card-border-bright);
    border-left: 3px solid var(--accent-primary);
    border-radius: var(--radius-btn);
    margin-top: 0.6rem;
    font-size: 0.72rem;
    color: #c9a6ff;
    font-family: var(--font-mono);
    gap: 0.55rem;
    align-items: center;
    flex-wrap: wrap;
}
.model-info-bar.visible { display: flex; }
.model-info-bar .mi-icon { font-size: 0.9rem; }
.model-info-bar .mi-label { color: var(--text-color-muted); }

/* ═══════════════════════════════════════════════════════════════════════════
   FOOTER — index style, same as login/gallery/submit
   ═══════════════════════════════════════════════════════════════════════════ */
.site-footer {
    padding: 2.5em 1em;
    text-align: center;
    color: var(--text-color-muted);
    font-size: 0.9em;
    border-top: 1px solid var(--card-border);
}

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 1100px) { .main-container { grid-template-columns: 280px 1fr; } }
@media (max-width: 900px) {
    .main-container { grid-template-columns: 1fr; }
    #tag-modifiers-container { max-height: none; }
}
@media (max-width: 640px) {
    body { font-size: 14px; }
    .builder-hero { padding: calc(70px + 1.4rem) 0.85rem 0.25rem; }
    .main-container { padding: 0 0.85rem; margin: 1rem auto 1.5rem; gap: 1rem; }
    .control-panel, .workspace-panel, .history-panel, .total-lines-counter { padding: 1.15rem; }
    .total-lines-counter strong { font-size: 2.5rem; }
    .workspace-actions { flex-direction: column; align-items: stretch; }
    .enhancement-group { flex-direction: column; }
    .enhancement-group button { width: 100%; }
    .token-counter-bar { font-size: 0.65rem; gap: 0.55rem; }
    .model-limit-badge { font-size: 0.6rem; }
    .undo-redo-container { display: none; }
    .fullscreen-header-actions .kbd-hint { display: none; }
    .negative-preset-btns { display: none; }
    .tag-presets-container { gap: 0.3rem; }
    .tag-preset-btn { font-size: 0.62rem; padding: 0.25rem 0.55rem; }
    .toast-container { right: 0.6rem; left: 0.6rem; }
    .toast { max-width: 100%; font-size: 0.78rem; }
    .diff-container { font-size: 0.78rem; }
    .history-expand-indicator { display: none; }
    .history-prompt { -webkit-line-clamp: 5; }
    .editor-fullscreen-overlay { padding: calc(70px + 0.85rem) 0.85rem 0.85rem; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   ACCESSIBILITY · reduced motion
   ═══════════════════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .hacker-text h2 { width: 100%; border-right: none; }
}