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

/* ── VARS ───────────────────────────────────── */
:root {
    --bg:         #0d0d12;
    --bg2:        #111118;
    --bg3:        #16161f;
    --bg4:        #1c1c28;
    --border:     #2a2a38;
    --border-hi:  #3d3d55;

    --accent:     #ff6b35;
    --accent2:    #ff3d6b;
    --accent3:    #35d4ff;
    --green:      #39ff7a;
    --yellow:     #ffd135;

    --text:       #c8c8d8;
    --text-dim:   #5a5a72;
    --text-hi:    #e8e8f4;

    --font-mono:  'JetBrains Mono', 'Courier New', monospace;
    --font-disp:  'Unbounded', sans-serif;

    --sidebar-w:  210px;
    --rbar-w:     185px;
    --header-h:   42px;
    --footer-h:   50px;
    --radius:     4px;
}

html, body { height: 100%; background: var(--bg); color: var(--text); font-family: var(--font-mono); font-size: 13px; overflow: hidden; }

/* ── OVERLAYS ──────────────────────────────── */
.scanlines {
    pointer-events: none; position: fixed; inset: 0; z-index: 9999;
    background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.07) 2px, rgba(0,0,0,0.07) 4px);
}
.noise {
    pointer-events: none; position: fixed; inset: 0; z-index: 9998; opacity: 0.022;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-size: 200px;
}

/* ── LAYOUT ─────────────────────────────────── */
.layout { display: grid; grid-template-columns: var(--sidebar-w) 1fr var(--rbar-w); height: 100vh; overflow: hidden; }

/* ── SIDEBAR ─────────────────────────────────── */
.sidebar {
    background: var(--bg2); border-right: 1px solid var(--border);
    display: flex; flex-direction: column; overflow: hidden; position: relative;
}
.sidebar::after {
    content: ''; position: absolute; top: 0; right: 0; width: 1px; height: 100%;
    background: linear-gradient(to bottom, transparent, var(--accent) 30%, var(--accent2) 70%, transparent);
    opacity: 0.4;
}
.sidebar-logo {
    padding: 18px 16px 16px; border-bottom: 1px solid var(--border);
    font-family: var(--font-disp); font-size: 15px; font-weight: 900; letter-spacing: 0.08em; color: var(--text-hi);
}
.logo-bracket { color: var(--accent); }
.logo-text { background: linear-gradient(135deg, var(--accent), var(--accent2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.nav-section-label { padding: 10px 16px 4px; font-size: 9px; font-weight: 700; letter-spacing: 0.15em; color: var(--text-dim); text-transform: uppercase; }
.nav-item {
    display: flex; align-items: center; gap: 6px; padding: 7px 16px;
    color: var(--text-dim); text-decoration: none; font-size: 12px;
    transition: all 0.15s; border-left: 2px solid transparent; cursor: pointer;
}
.nav-item:hover { color: var(--text-hi); background: rgba(255,107,53,0.07); border-left-color: var(--accent); }
.nav-item.active { color: var(--accent); background: rgba(255,107,53,0.1); border-left-color: var(--accent); }
.nav-icon { color: var(--accent); font-size: 14px; line-height: 1; }

.sidebar-footer { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; align-items: center; gap: 8px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.status-text { font-size: 10px; font-weight: 700; letter-spacing: 0.12em; color: var(--green); }

/* ── MAIN ────────────────────────────────────── */
.main { display: flex; flex-direction: column; overflow: hidden; background: var(--bg); position: relative; }

/* ── HEADER ──────────────────────────────────── */
.terminal-header {
    height: var(--header-h); background: var(--bg2); border-bottom: 1px solid var(--border);
    display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 14px; flex-shrink: 0;
}
.header-left { display: flex; align-items: center; gap: 10px; }
.header-controls { display: flex; gap: 6px; }
.dot { width: 11px; height: 11px; border-radius: 50%; cursor: default; transition: filter 0.2s; }
.dot:hover { filter: brightness(1.3); }
.dot-red    { background: #ff5f57; box-shadow: 0 0 6px rgba(255,95,87,0.5); }
.dot-yellow { background: #ffbd2e; box-shadow: 0 0 6px rgba(255,189,46,0.4); }
.dot-green  { background: #28c840; box-shadow: 0 0 6px rgba(40,200,64,0.4); }
.header-path { font-size: 11px; color: var(--text-dim); letter-spacing: 0.05em; }
.header-center { text-align: center; }
.header-title { font-family: var(--font-disp); font-size: 11px; font-weight: 700; letter-spacing: 0.15em; color: var(--text-dim); }
.header-right { text-align: right; }
.header-version { font-size: 11px; color: var(--accent); font-weight: 500; letter-spacing: 0.08em; }

/* ── TERMINAL BODY ───────────────────────────── */
.terminal-body { flex: 1; overflow-y: auto; padding: 16px 20px; display: flex; flex-direction: column; gap: 2px; font-size: 13px; line-height: 1.7; }
.terminal-body::-webkit-scrollbar { width: 4px; }
.terminal-body::-webkit-scrollbar-track { background: transparent; }
.terminal-body::-webkit-scrollbar-thumb { background: var(--border-hi); border-radius: 2px; }
.terminal-body::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ── OUTPUT LINES ────────────────────────────── */
.out-line { display: flex; align-items: flex-start; gap: 8px; animation: lineIn 0.2s ease forwards; opacity: 0; }
@keyframes lineIn { from { opacity: 0; transform: translateX(-6px); } to { opacity: 1; transform: translateX(0); } }
.out-prompt { flex-shrink: 0; color: var(--accent); font-weight: 700; user-select: none; }
.out-cmd { color: var(--text-hi); font-weight: 500; }

.out-response {
    color: var(--text); white-space: pre-wrap; word-break: break-word;
    border-left: 2px solid var(--border); padding-left: 12px; margin: 4px 0 8px;
    line-height: 1.8; animation: lineIn 0.2s ease forwards; opacity: 0;
}
.out-response.success { border-left-color: var(--green); color: var(--green); }
.out-response.error   { border-left-color: var(--accent2); color: var(--accent2); }
.out-response.warning { border-left-color: var(--yellow); color: var(--yellow); font-style: italic; }
.out-response.info    { border-left-color: var(--accent3); color: var(--text); }

/* ── LINKS IN OUTPUT ─────────────────────────── */
.out-response a.term-link {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid rgba(255,107,53,0.4);
    padding-bottom: 1px;
    transition: color 0.15s, border-color 0.15s;
    cursor: pointer;
}
.out-response a.term-link:hover {
    color: var(--accent2);
    border-bottom-color: var(--accent2);
    text-shadow: 0 0 8px rgba(255,61,107,0.5);
}

/* ── ASCII ART ───────────────────────────────── */
.ascii-art { color: var(--accent); font-size: 11px; line-height: 1.3; margin-bottom: 4px; white-space: pre; animation: lineIn 0.4s ease forwards; opacity: 0; }

/* ── INPUT BAR ───────────────────────────────── */
.terminal-input-bar {
    height: var(--footer-h); background: var(--bg3); border-top: 1px solid var(--border);
    display: flex; align-items: center; gap: 10px; padding: 0 16px; flex-shrink: 0; position: relative;
}
.terminal-input-bar::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(to right, transparent, var(--accent), var(--accent2), transparent); opacity: 0.6;
}
.input-prompt { flex-shrink: 0; font-size: 12px; font-weight: 700; white-space: nowrap; color: var(--text-dim); }
.prompt-sep { color: var(--border-hi); }
.prompt-dollar { color: var(--accent); margin-left: 2px; }
.cmd-input { flex: 1; background: transparent; border: none; outline: none; color: var(--text-hi); font-family: var(--font-mono); font-size: 13px; caret-color: var(--accent); }
.cmd-input::placeholder { color: var(--text-dim); }
.run-btn {
    flex-shrink: 0; background: linear-gradient(135deg, var(--accent), var(--accent2)); border: none;
    color: #fff; font-family: var(--font-disp); font-size: 10px; font-weight: 700; letter-spacing: 0.1em;
    padding: 6px 14px; border-radius: var(--radius); cursor: pointer; transition: all 0.15s;
}
.run-btn:hover { filter: brightness(1.15); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(255,107,53,0.35); }
.run-btn:active { transform: translateY(0); }

/* ── RIGHT BAR ───────────────────────────────── */
.rightbar { background: var(--bg2); border-left: 1px solid var(--border); display: flex; flex-direction: column; overflow: hidden; position: relative; }
.rightbar::before {
    content: ''; position: absolute; top: 0; left: 0; width: 1px; height: 100%;
    background: linear-gradient(to bottom, transparent, var(--accent3) 40%, var(--accent) 70%, transparent); opacity: 0.3;
}
.rbar-section { padding: 14px 14px 10px; border-bottom: 1px solid var(--border); }
.rbar-section.rbar-bottom { border-bottom: none; flex: 1; }
.rbar-title { font-size: 9px; font-weight: 700; letter-spacing: 0.15em; color: var(--text-dim); margin-bottom: 10px; text-transform: uppercase; }
.quick-cmds { display: flex; flex-wrap: wrap; gap: 5px; }
.qcmd {
    background: var(--bg4); border: 1px solid var(--border); color: var(--text-dim);
    font-family: var(--font-mono); font-size: 10px; padding: 4px 8px;
    border-radius: var(--radius); cursor: pointer; transition: all 0.15s; white-space: nowrap;
}
.qcmd:hover { border-color: var(--accent); color: var(--accent); background: rgba(255,107,53,0.08); }

.cmd-history { display: flex; flex-direction: column; gap: 3px; max-height: 130px; overflow-y: auto; }
.cmd-history::-webkit-scrollbar { width: 3px; }
.cmd-history::-webkit-scrollbar-thumb { background: var(--border-hi); border-radius: 2px; }
.hist-item {
    font-size: 10px; color: var(--text-dim); padding: 2px 6px; border-radius: 2px;
    cursor: pointer; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    transition: all 0.1s; display: flex; align-items: center; gap: 4px;
}
.hist-item::before { content: '›'; color: var(--accent); }
.hist-item:hover { color: var(--text-hi); background: var(--bg4); }

.sys-info { display: flex; flex-direction: column; gap: 6px; }
.sys-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.sys-row span:first-child { font-size: 9px; font-weight: 700; letter-spacing: 0.1em; color: var(--text-dim); flex-shrink: 0; }
.sys-row span:last-child { font-size: 10px; color: var(--accent3); text-align: right; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 90px; }

/* ── UPSCALE PANEL ───────────────────────────── */
.upscale-panel {
    position: absolute; inset: 0; z-index: 100;
    background: var(--bg); border-top: 2px solid var(--accent);
    display: flex; flex-direction: column; overflow: hidden;
    animation: slideUp 0.25s ease;
}
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.upscale-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 20px; background: var(--bg2); border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.upscale-title { font-family: var(--font-disp); font-size: 11px; font-weight: 700; letter-spacing: 0.15em; color: var(--accent); }
.upscale-close {
    background: transparent; border: 1px solid var(--border); color: var(--text-dim);
    font-family: var(--font-mono); font-size: 10px; padding: 4px 10px;
    border-radius: var(--radius); cursor: pointer; transition: all 0.15s;
}
.upscale-close:hover { border-color: var(--accent2); color: var(--accent2); }

.upscale-body { flex: 1; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 16px; }

.upscale-drop {
    border: 2px dashed var(--border-hi); border-radius: 8px; padding: 32px 20px;
    text-align: center; cursor: pointer; transition: all 0.2s; background: var(--bg2);
}
.upscale-drop:hover, .upscale-drop.drag-over { border-color: var(--accent); background: rgba(255,107,53,0.06); }
.drop-icon { font-size: 28px; margin-bottom: 10px; color: var(--accent); }
.drop-text { font-size: 13px; color: var(--text-dim); line-height: 1.6; }
.drop-text span { font-size: 11px; color: var(--text-dim); opacity: 0.6; }

.upscale-controls { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.scale-label { font-size: 11px; color: var(--text-dim); letter-spacing: 0.08em; }
.upscale-scale-btns { display: flex; align-items: center; gap: 8px; }
.scale-btn {
    background: var(--bg4); border: 1px solid var(--border); color: var(--text-dim);
    font-family: var(--font-disp); font-size: 11px; font-weight: 700;
    padding: 6px 18px; border-radius: var(--radius); cursor: pointer; transition: all 0.15s;
}
.scale-btn:hover { border-color: var(--accent); color: var(--accent); }
.scale-btn.active { background: rgba(255,107,53,0.15); border-color: var(--accent); color: var(--accent); box-shadow: 0 0 10px rgba(255,107,53,0.2); }

.upscale-run-btn {
    background: linear-gradient(135deg, var(--accent), var(--accent2)); border: none;
    color: #fff; font-family: var(--font-disp); font-size: 11px; font-weight: 700;
    letter-spacing: 0.12em; padding: 8px 24px; border-radius: var(--radius); cursor: pointer; transition: all 0.15s;
}
.upscale-run-btn:hover:not(:disabled) { filter: brightness(1.15); box-shadow: 0 4px 16px rgba(255,107,53,0.4); }
.upscale-run-btn:disabled { opacity: 0.35; cursor: not-allowed; }

.upscale-preview { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.preview-col { display: flex; flex-direction: column; gap: 6px; }
.preview-label { font-size: 9px; font-weight: 700; letter-spacing: 0.15em; color: var(--text-dim); text-transform: uppercase; }
.preview-col canvas { width: 100%; height: auto; border: 1px solid var(--border); border-radius: 4px; background: #000; image-rendering: pixelated; }
.preview-info { font-size: 10px; color: var(--text-dim); }

.upscale-progress { display: flex; flex-direction: column; gap: 8px; }
.progress-bar { height: 4px; background: var(--bg4); border-radius: 2px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(to right, var(--accent), var(--accent2)); border-radius: 2px; transition: width 0.15s; width: 0%; }
.progress-text { font-size: 11px; color: var(--text-dim); }

.upscale-download-btn {
    align-self: flex-start; background: transparent; border: 1px solid var(--green);
    color: var(--green); font-family: var(--font-mono); font-size: 12px; font-weight: 700;
    padding: 8px 20px; border-radius: var(--radius); cursor: pointer; transition: all 0.15s;
}
.upscale-download-btn:hover { background: rgba(57,255,122,0.1); box-shadow: 0 0 12px rgba(57,255,122,0.2); }

/* ── RESPONSIVE ─────────────────────────────── */
@media (max-width: 860px) {
    .layout { grid-template-columns: 1fr; }
    .sidebar, .rightbar { display: none; }
    .main { grid-column: 1; }
}
@media (max-width: 600px) {
    :root { --header-h: 38px; --footer-h: 46px; }
    .terminal-body { padding: 12px 14px; font-size: 12px; }
    .run-btn { display: none; }
}