/* NVC Studio — reskinned to match nandishwarsingh.com */

:root {
  --bg: oklch(0.145 0 0);
  --bg-elev: oklch(0.18 0 0);
  --card: oklch(0.205 0 0);
  --card-soft: oklch(0.22 0 0);
  --fg: oklch(0.985 0 0);
  --fg-muted: oklch(0.708 0 0);
  --fg-dim: oklch(0.55 0 0);
  --border: oklch(1 0 0 / 10%);
  --border-strong: oklch(1 0 0 / 18%);
  --ring: oklch(0.556 0 0);
  --accent: #b6f2c4;
  --accent-soft: oklch(0.85 0.12 152 / 12%);
  --warn: #fcd34d;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.4);
  --shadow-md: 0 4px 16px rgb(0 0 0 / 0.35);
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

@font-face {
  font-family: "Geist Fallback";
  src: local("Inter"), local("system-ui");
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Geist", "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, oklch(0.25 0.01 250 / 0.4), transparent 60%),
    var(--bg);
}

@keyframes nvc-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes nvc-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}

.app-shell {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px 24px 64px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  animation: nvc-fade-in 500ms ease-out;
}

@media (max-width: 720px) {
  .app-shell {
    padding: 20px 16px 48px;
    gap: 20px;
  }
}

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 4px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
}

.codec-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, oklch(0.3 0.04 152 / 0.5), oklch(0.2 0 0));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
}
.codec-mark span {
  display: block;
  width: 4px;
  background: var(--accent);
  border-radius: 1px;
  opacity: 0.85;
}
.codec-mark span:nth-child(1) { height: 10px; }
.codec-mark span:nth-child(2) { height: 18px; }
.codec-mark span:nth-child(3) { height: 14px; }

.eyebrow {
  margin: 0;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.brand-lockup h1 {
  margin: 2px 0 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.runtime-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--card);
  font-size: 12px;
  color: var(--fg-muted);
  white-space: nowrap;
}

.runtime-pill .signal {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: nvc-pulse 2s ease-in-out infinite;
}

.runtime-pill[data-state="off"] .signal {
  background: var(--fg-dim);
  animation: none;
}

/* ---------- Stats strip ---------- */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

@media (max-width: 900px) {
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: var(--radius);
  transition: border-color var(--transition), background var(--transition);
}

.stat:hover {
  border-color: var(--border-strong);
  background: var(--card-soft);
}

.stat strong {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.stat span {
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--fg-muted);
}

/* ---------- Workspace grid ---------- */
.workspace {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

@media (max-width: 1080px) {
  .workspace {
    grid-template-columns: 1fr;
  }
}

.tool-rail {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ---------- Cards ---------- */
.tool-card,
.stats-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), background var(--transition);
}

.tool-card:hover,
.stats-card:hover {
  border-color: var(--border-strong);
}

.card-head {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.card-head .step {
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.card-head strong {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
}

/* ---------- Drop input ---------- */
.drop-input {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 14px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.drop-input:hover {
  border-color: var(--accent);
  background: var(--card-soft);
}

.drop-input input[type="file"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--fg);
  line-height: 1.3;
}

.file-meta {
  font-size: 11px;
  color: var(--fg-muted);
}

/* ---------- Form controls ---------- */
.control-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.control-grid label,
.tool-card > label:not(.drop-input) {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 11px;
  color: var(--fg-muted);
}

.control-grid label > span,
.tool-card > label > span:first-child {
  font-weight: 500;
  letter-spacing: 0.04em;
}

.tool-card select,
.tool-card input[type="text"],
.tool-card input[type="number"] {
  appearance: none;
  width: 100%;
  padding: 8px 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--fg);
  font: inherit;
  font-size: 13px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.tool-card select:focus,
.tool-card input:focus {
  outline: none;
  border-color: var(--ring);
  box-shadow: 0 0 0 3px oklch(0.556 0 0 / 0.2);
}

.tool-card select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path fill='none' stroke='%23a3a3a3' stroke-width='1.5' d='M1 1l4 4 4-4'/></svg>");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

.profile-note {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px 12px;
  border-left: 2px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 11.5px;
  line-height: 1.45;
  color: var(--fg-muted);
}

.profile-note strong {
  color: var(--fg);
  font-size: 12px;
  font-weight: 600;
}

/* ---------- Buttons ---------- */
.primary-action,
.secondary-action,
.transport button,
#loadSample {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform 100ms ease, color var(--transition);
}

.primary-action {
  background: var(--fg);
  color: var(--bg);
  border: 1px solid var(--fg);
}

.primary-action:hover:not(:disabled) {
  background: oklch(0.92 0 0);
}

.primary-action:active:not(:disabled),
.secondary-action:active:not(:disabled) {
  transform: scale(0.985);
}

.primary-action:disabled,
.secondary-action:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.secondary-action {
  background: var(--bg-elev);
  color: var(--fg);
  border: 1px solid var(--border-strong);
}

.secondary-action:hover:not(:disabled) {
  background: var(--card-soft);
  border-color: var(--fg-muted);
}

.transport button,
#loadSample {
  background: var(--bg-elev);
  color: var(--fg);
  border: 1px solid var(--border);
}

.transport button:hover,
#loadSample:hover {
  border-color: var(--border-strong);
  background: var(--card-soft);
}

.status-line {
  margin: 0;
  font-size: 11.5px;
  color: var(--fg-muted);
  font-feature-settings: "tnum";
  min-height: 17px;
}

.status-line[data-state="error"] {
  color: oklch(0.7 0.16 22);
}

.status-line[data-state="success"] {
  color: var(--accent);
}

/* ---------- Decoded preview video ---------- */
.decoded-video {
  width: 100%;
  border-radius: var(--radius-sm);
  background: #000;
  border: 1px solid var(--border);
}

/* ---------- Stats card ---------- */
.stat-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stat-list > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  background: var(--bg-elev);
  border-radius: var(--radius-sm);
}

.stat-list > div span {
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.01em;
}

.stat-list > div p {
  margin: 0;
  font-size: 11px;
  line-height: 1.5;
  color: var(--fg-muted);
}

.stats-link {
  font-size: 11.5px;
  color: var(--fg-muted);
  text-decoration: none;
  margin-top: 2px;
  transition: color var(--transition);
}

.stats-link:hover {
  color: var(--fg);
}

/* ---------- Stage ---------- */
.stage {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.stage-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.stage-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.segmented {
  display: inline-flex;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
}

.segmented button {
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--fg-muted);
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}

.segmented button:hover {
  color: var(--fg);
}

.segmented button.active {
  background: var(--card);
  color: var(--fg);
  box-shadow: var(--shadow-sm);
}

.canvas-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  aspect-ratio: 16 / 9;
}

.canvas-wrap canvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  margin: auto;
  background: #000;
}

.dropzone {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  text-align: center;
  background: linear-gradient(180deg, oklch(0.18 0 0 / 0.85), oklch(0.14 0 0 / 0.95));
  backdrop-filter: blur(8px);
  transition: opacity var(--transition);
}

.canvas-wrap .dropzone[hidden],
.dropzone[hidden] { display: none !important; }

.dropzone strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.dropzone span {
  display: block;
  font-size: 12px;
  color: var(--fg-muted);
  margin-top: 2px;
}

.drop-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.ghost-action {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--fg);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}

.ghost-action:hover {
  border-color: var(--fg-muted);
  background: var(--card-soft);
}

.ghost-action input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.xc-panel {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px;
  overflow: auto;
  background: linear-gradient(180deg, oklch(0.18 0 0 / 0.95), oklch(0.14 0 0 / 0.98));
  backdrop-filter: blur(8px);
  animation: nvc-fade-in 350ms ease-out;
}

.xc-panel[hidden] { display: none; }

.xc-headline {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.xc-headline strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--fg);
}

.xc-lede {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--fg-muted);
}

.xc-lede em {
  font-style: normal;
  font-weight: 600;
  color: var(--accent);
}

.xc-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
}

.xc-stats li {
  display: flex;
  flex-direction: column;
  padding: 8px 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.xc-stats li strong {
  font-size: 13px;
  color: var(--fg);
}

.xc-stats li span {
  font-size: 10.5px;
  color: var(--fg-muted);
}

.xc-cli {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11.5px;
  color: var(--fg-muted);
}

.xc-cli code {
  display: block;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--fg);
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11.5px;
  white-space: pre-wrap;
  word-break: break-all;
}

.xc-fallback {
  margin: 0;
  font-size: 11.5px;
  color: var(--fg-muted);
}

.xc-fallback strong {
  color: var(--fg);
  font-weight: 600;
}

/* ---------- Transport ---------- */
.transport {
  display: flex;
  align-items: center;
  gap: 12px;
}

.transport input[type="range"] {
  flex: 1;
  appearance: none;
  height: 4px;
  background: var(--bg-elev);
  border-radius: 999px;
  cursor: pointer;
}

.transport input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--fg);
  border-radius: 50%;
  cursor: pointer;
  transition: transform var(--transition);
}

.transport input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.transport input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--fg);
  border: 0;
  border-radius: 50%;
  cursor: pointer;
}

#timecode {
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11.5px;
  color: var(--fg-muted);
  font-feature-settings: "tnum";
  min-width: 90px;
  text-align: right;
}

/* ---------- Info grid ---------- */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 720px) {
  .info-grid { grid-template-columns: 1fr; }
}

.info-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.panel-title {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.panel-title .step {
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.panel-title strong {
  font-size: 13px;
  font-weight: 600;
}

#metadata {
  margin: 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 4px 14px;
  font-size: 11.5px;
}

#metadata dt {
  color: var(--fg-muted);
  font-weight: 500;
}

#metadata dd {
  margin: 0;
  color: var(--fg);
  font-family: "Geist Mono", ui-monospace, monospace;
  font-feature-settings: "tnum";
  word-break: break-word;
}

#metadata:empty::before {
  content: "Load a .nvc file to see metadata.";
  color: var(--fg-dim);
  font-size: 11.5px;
  grid-column: 1 / -1;
}

#log {
  margin: 0;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: "Geist Mono", ui-monospace, monospace;
  font-size: 11px;
  line-height: 1.55;
  color: var(--fg-muted);
  max-height: 220px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---------- Scrollbars ---------- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 999px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--fg-dim);
}