/* =============================================
   GENERATIVE ART ENGINE — style.css v2
   Premium dark UI + context controls + audio
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---- Reset & Base ---- */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

:root {
    --accent:  #bb86fc;
    --accent2: #03dac6;
    --accent3: #ff6b9d;
    --audio-col: #ffb347;
    --bg:      #070710;
    --glass:   rgba(10, 10, 18, 0.82);
    --glass-border: rgba(255,255,255,0.07);
    --text:    #f0f0f0;
    --text-muted: rgba(255,255,255,0.42);
    --radius:  12px;
    --panel-w: 300px;
    --hud-h:   52px;
    --ease:    cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
    width:100%; height:100%;
    overflow: hidden;
    background: var(--bg);
    font-family: 'Outfit', sans-serif;
    color: var(--text);
    -webkit-font-smoothing: antialiased;
}

/* ---- Canvas ---- */
#canvas {
    position: fixed; inset: 0;
    display: block; cursor: none; z-index: 1;
}

/* ================================================================
   HUD TOP BAR
   ================================================================ */
#hud-top {
    position: fixed; top:0; left:0; right:0;
    height: var(--hud-h);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 14px;
    background: rgba(7,7,16,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 100; gap: 10px;
}

#hud-title {
    display: flex; align-items: center; gap: 8px;
    font-size: 14px; font-weight: 600; letter-spacing: 0.4px;
    white-space: nowrap;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
}

.hud-dot {
    width: 8px; height: 8px;
    background: var(--accent2); border-radius: 50%; display: inline-block;
    animation: pulse 2s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes pulse {
    0%,100% { box-shadow: 0 0 0 0 rgba(3,218,198,0.7); }
    50%      { box-shadow: 0 0 0 7px rgba(3,218,198,0); }
}

#hud-stats {
    display: flex; align-items: center; gap: 6px;
    flex: 1; justify-content: center; flex-wrap: nowrap;
}

.stat-chip {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px; font-weight: 500;
    padding: 3px 9px; border-radius: 20px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.09);
    color: var(--accent2); white-space: nowrap;
    transition: background 0.2s;
}

.stat-chip.perf-chip { color: #ffb347; cursor: pointer; }
.stat-chip.perf-chip.active-state {
    background: rgba(255,179,71,0.12);
    border-color: #ffb347;
}

#hud-actions {
    display: flex; align-items: center; gap: 6px; white-space: nowrap;
}

.hud-btn {
    display: flex; align-items: center; gap: 5px;
    padding: 5px 12px; border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.09);
    background: rgba(255,255,255,0.05);
    color: var(--text); font-size: 11px;
    font-family: 'Outfit', sans-serif; font-weight: 500;
    cursor: pointer; transition: all 0.18s;
    text-decoration: none;
}

.hud-btn:hover {
    background: rgba(255,255,255,0.11);
    border-color: rgba(255,255,255,0.18);
    transform: translateY(-1px);
}

.hud-btn.danger:hover {
    background: rgba(255,80,80,0.14);
    border-color: rgba(255,80,80,0.4); color: #ff6b6b;
}

.hud-btn.active-state {
    background: rgba(187,134,252,0.14);
    border-color: var(--accent); color: var(--accent);
}

/* ================================================================
   CONTROL PANEL
   ================================================================ */
#control-panel {
    position: fixed; top: var(--hud-h); right: 0;
    width: var(--panel-w);
    height: calc(100vh - var(--hud-h));
    overflow-y: auto; overflow-x: hidden;
    background: var(--glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-left: 1px solid var(--glass-border);
    z-index: 50; padding: 14px;
    display: flex; flex-direction: column; gap: 8px;
    transition: transform 0.35s var(--ease);
    scrollbar-width: thin;
    scrollbar-color: rgba(187,134,252,0.25) transparent;
}

#control-panel.hidden { transform: translateX(100%); }

#control-panel::-webkit-scrollbar { width: 3px; }
#control-panel::-webkit-scrollbar-thumb { background: rgba(187,134,252,0.25); border-radius:2px; }

/* ================================================================
   PANEL SECTIONS
   ================================================================ */
.panel-section {
    background: rgba(255,255,255,0.025);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius); padding: 13px;
}

.section-label {
    font-size: 9.5px; font-weight: 700; letter-spacing: 1.6px;
    color: var(--text-muted); margin-bottom: 11px; text-transform: uppercase;
}

/* ================================================================
   MODE GRID
   ================================================================ */
.mode-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 7px;
}

.mode-btn {
    display: flex; flex-direction: column; align-items: center; gap: 3px;
    padding: 9px 4px; border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.07);
    background: rgba(255,255,255,0.03);
    color: rgba(255,255,255,0.65);
    font-size: 10.5px; font-family: 'Outfit', sans-serif; font-weight: 500;
    cursor: pointer; transition: all 0.18s; text-align: center;
    position: relative; overflow: hidden;
}

.mode-btn:hover {
    background: rgba(255,255,255,0.08); color: #fff;
    border-color: rgba(255,255,255,0.14); transform: translateY(-2px);
}

.mode-btn.active {
    background: rgba(187,134,252,0.14); border-color: var(--accent);
    color: var(--accent); box-shadow: 0 0 18px rgba(187,134,252,0.18);
}

.mode-btn-audio.active {
    background: rgba(255,179,71,0.12); border-color: var(--audio-col);
    color: var(--audio-col); box-shadow: 0 0 18px rgba(255,179,71,0.18);
}

.mode-btn-audio { flex-direction: row; justify-content: center; gap: 8px; }

.mode-icon { font-size: 17px; line-height: 1; }

.mode-badge {
    position: absolute; top: 4px; right: 5px;
    font-size: 8px; font-weight: 700; font-family: 'JetBrains Mono', monospace;
    background: var(--audio-col); color: #000;
    padding: 1px 4px; border-radius: 3px; letter-spacing: 0.5px;
}

/* ================================================================
   PRESET GRID
   ================================================================ */
.preset-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }

.preset-btn {
    padding: 7px 8px; border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.07);
    background: rgba(255,255,255,0.03);
    color: rgba(255,255,255,0.72);
    font-family: 'Outfit', sans-serif; font-size: 11.5px; font-weight: 500;
    cursor: pointer; transition: all 0.18s; text-align: center;
}

.preset-btn:hover {
    background: rgba(255,255,255,0.09); color: #fff; transform: translateY(-1px);
    border-color: rgba(255,255,255,0.18);
}

.preset-btn.active {
    background: rgba(3,218,198,0.1); border-color: var(--accent2); color: var(--accent2);
}

/* ================================================================
   CONTROL ROWS & SLIDERS
   ================================================================ */
.control-row { margin-bottom: 13px; }
.control-row:last-child { margin-bottom: 0; }

.control-row label {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 11.5px; font-weight: 500; color: rgba(255,255,255,0.65);
    margin-bottom: 5px;
}

.ctrl-val {
    font-family: 'JetBrains Mono', monospace; font-size: 10.5px;
    color: var(--accent); font-weight: 500;
}

input[type="range"] {
    -webkit-appearance: none; appearance: none;
    width: 100%; height: 4px; border-radius: 2px;
    background: rgba(255,255,255,0.09); outline: none; cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 15px; height: 15px; border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 7px rgba(187,134,252,0.5);
    cursor: pointer; transition: transform 0.1s;
}

input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.25); }

input[type="color"] {
    width: 100%; height: 34px;
    border: 1px solid rgba(255,255,255,0.1); border-radius: 8px;
    background: transparent; cursor: pointer; padding: 2px 4px;
    transition: border-color 0.18s;
}
input[type="color"]:hover { border-color: var(--accent); }

/* ================================================================
   SEGMENTED CONTROLS
   ================================================================ */
.segmented {
    display: flex; border-radius: 8px; overflow: hidden;
    border: 1px solid rgba(255,255,255,0.09);
    background: rgba(255,255,255,0.03);
}

.seg-btn {
    flex: 1; padding: 5px 3px; font-size: 10.5px;
    font-family: 'Outfit', sans-serif; font-weight: 500;
    border: none; background: transparent;
    color: rgba(255,255,255,0.45); cursor: pointer; transition: all 0.18s;
    text-align: center;
}

.seg-btn.active { background: rgba(187,134,252,0.18); color: var(--accent); }
.seg-btn:hover:not(.active) { background: rgba(255,255,255,0.06); color: #fff; }

/* ================================================================
   AUDIO MODE CONTROLS
   ================================================================ */
.audio-source-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-bottom: 10px;
}

.audio-source-btn {
    display: flex; align-items: center; justify-content: center; gap: 5px;
    padding: 8px 6px; border-radius: 8px; font-size: 11px; font-weight: 500;
    font-family: 'Outfit', sans-serif; cursor: pointer; transition: all 0.18s;
    border: 1px solid rgba(255,255,255,0.09);
    background: rgba(255,255,255,0.03); color: rgba(255,255,255,0.6);
    text-align: center; user-select: none;
}

.audio-source-btn:hover { background: rgba(255,179,71,0.1); color: var(--audio-col); }

.audio-source-btn.active {
    background: rgba(255,179,71,0.15); border-color: var(--audio-col);
    color: var(--audio-col);
}

.audio-status-bar {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 10px; border-radius: 8px;
    background: rgba(0,0,0,0.25); border: 1px solid rgba(255,255,255,0.07);
    margin-bottom: 10px; font-size: 11px; color: var(--text-muted);
}

.audio-dot {
    width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0;
    background: #555; transition: background 0.3s;
}

.audio-dot.active   { background: #4caf50; box-shadow: 0 0 6px #4caf50; animation: pulse 1.5s infinite; }
.audio-dot.inactive { background: #555; }
.audio-dot.demo     { background: var(--audio-col); animation: pulse 2s infinite; }

/* ================================================================
   PERFORMANCE TOGGLE
   ================================================================ */
.perf-row {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
}

.perf-info { flex: 1; }

.perf-label { font-size: 12px; font-weight: 500; color: rgba(255,255,255,0.75); }

.perf-desc { font-size: 10px; color: var(--text-muted); margin-top: 2px; line-height: 1.4; }

.toggle-switch {
    position: relative; display: inline-block;
    width: 38px; height: 20px; cursor: pointer; flex-shrink: 0;
}

.toggle-switch input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
    position: absolute; inset: 0; border-radius: 20px;
    background: rgba(255,255,255,0.1); transition: 0.25s;
    border: 1px solid rgba(255,255,255,0.1);
}

.toggle-slider::before {
    content: ''; position: absolute;
    width: 14px; height: 14px; border-radius: 50%;
    left: 2px; top: 2px;
    background: rgba(255,255,255,0.4); transition: 0.25s;
}

.toggle-switch input:checked + .toggle-slider {
    background: rgba(255,179,71,0.25); border-color: var(--audio-col);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(18px); background: var(--audio-col);
    box-shadow: 0 0 6px rgba(255,179,71,0.6);
}

/* ================================================================
   SHORTCUT GRID
   ================================================================ */
.shortcut-grid {
    display: grid; grid-template-columns: auto 1fr; gap: 5px 10px;
    align-items: center;
}

kbd {
    font-family: 'JetBrains Mono', monospace; font-size: 9.5px; font-weight: 500;
    padding: 2px 6px; border-radius: 4px;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.11);
    color: var(--accent2); white-space: nowrap; display:inline-block;
}

.shortcut-grid span { font-size: 10.5px; color: var(--text-muted); }

/* ================================================================
   CUSTOM CURSOR
   ================================================================ */
#brush-cursor {
    position: fixed; width:22px; height:22px; border-radius:50%;
    border: 2px solid rgba(187,134,252,0.75);
    pointer-events: none; z-index: 9999;
    transform: translate(-50%,-50%);
    transition: width 0.12s, height 0.12s, border-color 0.2s;
    mix-blend-mode: difference;
}

#brush-cursor.drawing { width:10px; height:10px; background:rgba(187,134,252,0.3); }
#brush-cursor.square-brush { border-radius: 3px; }
#brush-cursor.glow-brush { box-shadow: 0 0 10px rgba(187,134,252,0.7),0 0 20px rgba(187,134,252,0.35); }
#brush-cursor.audio-mode { border-color: var(--audio-col); }

/* ================================================================
   TOAST
   ================================================================ */
#toast {
    position: fixed; bottom: 28px; left:50%;
    transform: translateX(-50%) translateY(70px);
    background: rgba(20,20,32,0.96);
    border: 1px solid rgba(187,134,252,0.25);
    backdrop-filter: blur(16px); color:#fff;
    font-size: 12.5px; font-weight: 500;
    padding: 9px 22px; border-radius: 40px;
    z-index: 9000; white-space: nowrap;
    opacity: 0; transition: opacity 0.28s, transform 0.28s;
    box-shadow: 0 8px 28px rgba(0,0,0,0.45);
}

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

/* ================================================================
   AI CHAT ASSISTANT
   ================================================================ */
#chat-container {
    position: fixed; bottom: 85px; right: 20px;
    width: 320px; height: 420px;
    background: rgba(15, 15, 25, 0.95);
    backdrop-filter: blur(20px); border: 1px solid var(--glass-border);
    border-radius: 16px; z-index: 120;
    display: flex; flex-direction: column; overflow: hidden;
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    transition: transform 0.4s var(--ease), opacity 0.4s;
    user-select: none;
}

#chat-container.minimized { height: 44px; transform: translateY(10px); opacity: 0.8; }
#chat-container.minimized #chat-messages,
#chat-container.minimized #chat-input-area { display: none; }

#chat-header {
    background: rgba(255,255,255,0.04); padding: 12px 14px;
    display: flex; align-items: center; gap: 10px; cursor: pointer;
    border-bottom: 1px solid var(--glass-border);
}

.chat-status { width: 8px; height: 8px; border-radius: 50%; background: #4caf50; }
.chat-title { flex: 1; font-weight: 600; font-size: 13px; color: var(--accent); letter-spacing: 0.2px; }

#btn-close-chat {
    background: transparent; border: none; color: #fff; cursor: pointer;
    font-size: 16px; opacity: 0.6; padding: 0 4px;
}

#chat-messages {
    flex: 1; overflow-y: auto; padding: 15px;
    display: flex; flex-direction: column; gap: 10px;
    scrollbar-width: thin; scrollbar-color: rgba(187,134,252,0.15) transparent;
}

.msg {
    padding: 8px 12px; border-radius: 12px; font-size: 12.5px; line-height: 1.5;
    max-width: 85%; word-wrap: break-word; animation: chatIn 0.3s ease-out;
}

.msg.bot { background: rgba(187,134,252,0.1); color: var(--text); border-bottom-left-radius: 2px; border: 1px solid rgba(187,134,252,0.1); }
.msg.user { background: rgba(255,255,255,0.06); color: var(--text); align-self: flex-end; border-bottom-right-radius: 2px; }

@keyframes chatIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

#chat-input-area {
    padding: 10px; background: rgba(255,255,255,0.02);
    border-top: 1px solid var(--glass-border);
    display: flex; gap: 8px;
}

#chat-input {
    flex: 1; padding: 8px 12px; border-radius: 24px;
    background: rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.08);
    color: #fff; font-family: 'Outfit', sans-serif; font-size: 13px;
    outline: none; transition: border-color 0.2s;
}

#chat-input:focus { border-color: var(--accent); }

#btn-send-chat {
    width: 34px; height: 34px; border-radius: 50%;
    background: var(--accent); border: none; color: #000;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: transform 0.2s;
}

#btn-send-chat:hover { transform: scale(1.1); }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 600px) {
    :root { --panel-w: 100vw; }
    #control-panel {
        top: auto; bottom:0; height: 60vh;
        border-left: none; border-top: 1px solid var(--glass-border);
    }
    #control-panel.hidden { transform: translateY(100%); }
    #hud-actions .hud-btn span { display: none; }
}

/* ================================================================
   NEW: VOICE CONTROL & SNAPSHOT GALLERY
   ================================================================ */
.chat-tool-btn {
    background: rgba(255,179,71,0.08); border: 1px solid rgba(255,179,71,0.14);
    color: var(--audio-col); border-radius: 50%; width: 34px; height: 34px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: all 0.2s;
}

.chat-tool-btn:hover { background: rgba(255,179,71,0.18); transform: translateY(-1px); }
.chat-tool-btn.listening { background: var(--audio-col); color: #000; animation: pulse 1.5s infinite; }

#snapshot-gallery {
    position: fixed; bottom: 85px; right: 350px;
    width: 220px; z-index: 100; pointer-events: none;
    transition: opacity 0.4s;
}

.gallery-label {
    text-align: right; font-size: 9px; font-weight: 700;
    color: var(--text-muted); text-transform: uppercase;
    letter-spacing: 1px; margin-bottom: 6px;
}

#gallery-reel {
    display: flex; flex-direction: column; gap: 8px; align-items: flex-end;
}

.gallery-empty {
    font-size: 10px; color: var(--text-muted); opacity: 0.5;
}

.snap-card {
    width: 140px; height: 80px; border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.12);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    background: rgba(255,255,255,0.03); overflow: hidden;
    cursor: pointer; pointer-events: auto; transition: all 0.3s;
    animation: slideInRight 0.4s var(--ease);
}

.snap-card:hover { transform: scale(1.08) translateX(-10px); border-color: var(--accent); }
.snap-card img { width: 100%; height: 100%; object-fit: cover; }

@keyframes slideInRight {
    from { opacity:0; transform: translateX(20px); }
    to   { opacity:1; transform: translateX(0); }
}