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

:root {
  --bg-primary: #111111;
  --bg-terminal: #050505;
  --bg-surface: #1A1A1A;
  --border: #333333;
  --text-title: #FFFFFF;
  --text-body: #E5E5E5;
  --text-muted: #555555;
  --accent-success: #4ADE80;
  --accent-error: #F87171;
  --accent-warn: #FACC15;
  --accent-purple: #C084FC;
  --accent-blue: #60A5FA;
  --accent-green-light: #BBF7D0;
}

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

html, body {
  height: 100%;
  background: var(--bg-primary);
  color: var(--text-body);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.5;
  cursor: crosshair;
}

body {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Background grid */
.page-shell {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.page-shell::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, var(--bg-primary) 100%);
  pointer-events: none;
}

/* Header */
.topbar {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  height: 40px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-primary);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.topbar__pulse {
  width: 8px;
  height: 8px;
  background: var(--text-title);
  animation: pulse 2s steps(1, end) infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.topbar__version {
  color: var(--text-muted);
}

.topbar__status {
  margin-left: auto;
  color: var(--text-muted);
}

/* Main layout */
.workspace {
  position: relative;
  z-index: 5;
  flex: 1;
  display: flex;
  overflow: hidden;
}

.main-stage {
  flex: 1;
  min-width: 0;
  padding: 24px 32px;
  overflow-y: auto;
}

/* Brand */
.brand {
  margin-bottom: 24px;
}

.brand__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 24px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-title);
  letter-spacing: -0.02em;
  line-height: 1;
}

.brand__sub {
  color: var(--text-muted);
  font-size: 10px;
  margin-top: 4px;
}

/* Sections */
.section {
  margin-bottom: 20px;
}

.section__label {
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}

/* Mode grid */
.mode-grid {
  display: flex;
  border: 1px solid var(--border);
}

.mode-grid__button {
  flex: 1;
  padding: 12px;
  border: 0;
  border-right: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: background-color 0.05s linear, color 0.05s linear;
}

.mode-grid__button:last-child {
  border-right: 0;
}

.mode-grid__button:hover {
  background: var(--bg-surface);
  color: var(--text-body);
}

.mode-grid__button.is-active {
  background: var(--text-title);
  color: #000000;
}

.mode-grid__button:focus-visible {
  outline: 1px solid var(--text-title);
  outline-offset: -1px;
}

/* Form fields */
.field {
  border: 1px solid var(--border);
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: background-color 0.05s linear;
}

.field:hover {
  background: var(--bg-surface);
}

.field__prefix {
  color: var(--text-muted);
  font-size: 10px;
}

.field__value {
  color: var(--text-body);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.field__meta {
  color: var(--text-muted);
  font-size: 10px;
  margin-left: auto;
}

.field__input {
  width: 100%;
  background: transparent;
  border: 0;
  color: var(--text-body);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  outline: none;
  resize: vertical;
  min-height: 80px;
}

.field__input::placeholder {
  color: var(--text-muted);
}

.field--textarea {
  display: block;
  cursor: text;
}

/* Hidden native file input */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Action button */
.action-bar {
  display: flex;
  justify-content: flex-end;
  margin-top: 24px;
}

.poster-button {
  background: var(--text-title);
  color: #000000;
  border: 0;
  padding: 12px 24px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background-color 0.05s linear;
}

.poster-button:hover {
  background: var(--text-body);
}

.poster-button:active {
  background: #CCCCCC;
}

.poster-button:disabled {
  background: var(--border);
  color: var(--text-muted);
  cursor: not-allowed;
}

.poster-button:focus-visible {
  outline: 1px solid var(--text-title);
  outline-offset: 2px;
}

/* Terminal sidebar */
.terminal {
  width: 340px;
  flex-shrink: 0;
  border-left: 1px solid var(--border);
  background: var(--bg-terminal);
  display: flex;
  flex-direction: column;
  padding: 16px;
}

.terminal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.terminal__title {
  color: var(--text-muted);
}

.terminal__status {
  color: var(--accent-success);
}

.terminal__status-dot {
  animation: pulse 2s steps(1, end) infinite;
}

.terminal__body {
  flex: 1;
  overflow-y: auto;
  font-size: 11px;
  line-height: 1.6;
}

.terminal__line {
  display: flex;
  gap: 12px;
}

.terminal__line-num {
  color: var(--border);
  font-size: 10px;
  text-align: right;
  min-width: 24px;
  user-select: none;
}

.terminal__line-content {
  color: var(--text-muted);
  white-space: pre-wrap;
  word-break: break-word;
}

.terminal__line-content.is-comment { color: var(--text-muted); }
.terminal__line-content.is-keyword { color: var(--accent-purple); }
.terminal__line-content.is-string { color: var(--accent-green-light); }
.terminal__line-content.is-variable { color: var(--accent-blue); }
.terminal__line-content.is-prompt { color: var(--accent-warn); }
.terminal__line-content.is-error { color: var(--accent-error); }
.terminal__line-content.is-success { color: var(--accent-success); }

/* Image preview in terminal */
.terminal__preview {
  max-width: 100%;
  border: 1px solid var(--border);
  display: block;
  margin-top: 4px;
}

.terminal__actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.terminal__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--text-body);
  color: var(--text-body);
  padding: 8px 12px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background-color 0.05s linear, color 0.05s linear;
}

.terminal__link:hover {
  background: var(--text-body);
  color: var(--bg-primary);
}

.terminal__footer {
  border-top: 1px solid var(--border);
  padding-top: 8px;
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-muted);
}

/* Mode panels */
.mode-panel {
  display: none;
}

.mode-panel.is-active {
  display: block;
}

/* Responsive */
@media (max-width: 900px) {
  .workspace {
    flex-direction: column;
    overflow-y: auto;
  }

  .main-stage {
    padding: 16px 20px;
  }

  .terminal {
    width: 100%;
    border-left: 0;
    border-top: 1px solid var(--border);
    min-height: 280px;
  }
}

@media (max-width: 480px) {
  .mode-grid {
    flex-direction: column;
  }

  .mode-grid__button {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .mode-grid__button:last-child {
    border-bottom: 0;
  }
}