/* Fonts */
@font-face {
  font-family: 'Space Mono';
  font-weight: 400;
  font-display: swap;
  src: url('fonts/SpaceMono-Regular.woff2') format('woff2');
}
@font-face {
  font-family: 'Space Mono';
  font-weight: 700;
  font-display: swap;
  src: url('fonts/SpaceMono-Bold.woff2') format('woff2');
}
@font-face {
  font-family: 'Noto Sans SC';
  font-weight: 400;
  font-display: swap;
  src: url('fonts/NotoSansSC-Regular.woff2') format('woff2');
}
@font-face {
  font-family: 'Noto Sans SC';
  font-weight: 700;
  font-display: swap;
  src: url('fonts/NotoSansSC-Bold.woff2') format('woff2');
}

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

:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --border: #222;
  --text: #e0e0e0;
  --text-muted: #666;
  --accent: #FF6B35;
  --accent-dim: rgba(255, 107, 53, 0.15);
  --font-mono: 'Space Mono', 'Courier New', monospace;
  --font-sans: 'Noto Sans SC', -apple-system, sans-serif;
  --radius: 4px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.logo-icon {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}

.logo-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.15em;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Auth */
.auth-status {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
}

.auth-ok { color: #4a9; }
.auth-none { color: var(--text-muted); }

/* Settings */
.settings-panel {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}

.settings-inner h3 {
  font-size: 14px;
  margin-bottom: 8px;
  color: var(--text);
}

.settings-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.settings-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* Buttons */
.btn {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: border-color 0.15s, background 0.15s;
}

.btn:hover { border-color: var(--text-muted); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 700;
}

.btn-primary:hover { background: #e55a28; }

.btn-ghost {
  background: transparent;
  border-color: transparent;
}

.btn-ghost:hover { border-color: var(--border); }

.btn-small { padding: 6px 12px; font-size: 11px; }

.btn-download-all {
  width: 100%;
  margin-top: 16px;
  padding: 12px;
  font-size: 14px;
}

/* Input */
.input {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  flex: 1;
}

.input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Main */
.main {
  padding: 32px 0;
}

.input-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.textarea {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.7;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  resize: vertical;
  min-height: 200px;
}

.textarea:focus {
  outline: none;
  border-color: var(--accent);
}

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

/* Status */
.status {
  margin-top: 16px;
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  font-family: var(--font-mono);
}

.status-info {
  background: rgba(74, 153, 153, 0.1);
  border: 1px solid rgba(74, 153, 153, 0.3);
  color: #4a9;
}

.status-error {
  background: rgba(255, 80, 80, 0.1);
  border: 1px solid rgba(255, 80, 80, 0.3);
  color: #f55;
}

/* Loading */
.loading {
  text-align: center;
  padding: 48px 0;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
}

/* Preview */
.preview-area {
  margin-top: 32px;
}

.preview-card {
  margin-bottom: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.preview-label {
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.preview-svg {
  background: #0f0f0f;
}

.preview-svg svg {
  display: block;
  width: 100%;
  height: auto;
}

.preview-actions {
  padding: 10px 16px;
  display: flex;
  justify-content: flex-end;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

/* Footer */
.footer {
  padding: 24px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* Mobile */
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .settings-row { flex-wrap: wrap; }
  .input { width: 100%; }
}