:root {
  --ob-bg: #08080c;
  --ob-surface: #111118;
  --ob-elevated: #1a1a24;
  --ob-accent: #e8913a;
  --ob-accent-glow: rgba(232, 145, 58, 0.15);
  --ob-text: #f0ece6;
  --ob-text-sec: #8a8694;
  --ob-text-muted: #5a5666;
  --ob-border: #1e1e2a;
  --ob-success: #4ade80;
  --ob-error: #f87171;
}

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

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--ob-bg);
  color: var(--ob-text);
  min-height: 100vh;
}

h1 { font-family: 'Space Grotesk', sans-serif; font-size: 28px; font-weight: 700; }

.ob-root {
  display: grid;
  grid-template-columns: 380px 1fr;
  min-height: 100vh;
}

/* ── Left brand panel ── */
.ob-brand {
  background: var(--ob-surface);
  border-right: 1px solid var(--ob-border);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: sticky;
  top: 0;
  height: 100vh;
}

.ob-brand-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}
.ob-brand-logo span { color: var(--ob-accent); }

.ob-brand-tagline {
  color: var(--ob-text-sec);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 56px;
}

.ob-brand-steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.ob-step-row {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--ob-text-muted);
  font-size: 14px;
  transition: color 0.2s;
}

.ob-step-row.active { color: var(--ob-text); }
.ob-step-row.done { color: var(--ob-success); }

.ob-step-row .ob-step-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--ob-elevated);
  border: 1px solid var(--ob-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--ob-text-muted);
  flex-shrink: 0;
  transition: all 0.2s;
}
.ob-step-row.active .ob-step-icon {
  background: var(--ob-accent);
  color: #08080c;
  border-color: var(--ob-accent);
}
.ob-step-row.done .ob-step-icon {
  background: var(--ob-success);
  color: #08080c;
  border-color: var(--ob-success);
}

/* ── Right form panel ── */
.ob-panel {
  padding: 64px 80px;
  max-width: 560px;
  width: 100%;
}

/* Step pip bar */
.ob-step-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 48px;
}
.ob-step-pip {
  height: 3px;
  flex: 1;
  background: var(--ob-border);
  border-radius: 2px;
  transition: background 0.3s;
}
.ob-step-pip.active { background: var(--ob-accent); }
.ob-step-pip.done { background: var(--ob-success); }

/* Step content */
.ob-step h1 { margin-bottom: 8px; }
.ob-sub { color: var(--ob-text-sec); font-size: 15px; margin-bottom: 36px; }

.ob-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}
.ob-field label { font-size: 13px; font-weight: 600; color: var(--ob-text-sec); }
.ob-field input {
  background: var(--ob-elevated);
  border: 1px solid var(--ob-border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--ob-text);
  font-size: 15px;
  font-family: 'DM Sans', sans-serif;
  outline: none;
  transition: border-color 0.2s;
}
.ob-field input:focus { border-color: var(--ob-accent); }
.ob-field input::placeholder { color: var(--ob-text-muted); }
.ob-hint { font-size: 12px; color: var(--ob-text-muted); }

.ob-error {
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.3);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--ob-error);
  font-size: 14px;
  margin-bottom: 16px;
}

.ob-btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--ob-accent);
  color: #08080c;
  border: none;
  border-radius: 10px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  font-family: 'DM Sans', sans-serif;
  transition: filter 0.2s;
  text-decoration: none;
}
.ob-btn-primary:hover:not(:disabled) { filter: brightness(1.1); }
.ob-btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.ob-btn-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--ob-text);
  border: 1px solid var(--ob-border);
  border-radius: 10px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  transition: border-color 0.2s;
  margin: 16px auto 0;
}
.ob-btn-secondary:hover { border-color: var(--ob-text-muted); }

.ob-btn-skip {
  background: transparent;
  border: none;
  color: var(--ob-text-muted);
  font-size: 13px;
  cursor: pointer;
  display: block;
  margin: 24px auto 0;
  font-family: 'DM Sans', sans-serif;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.ob-btn-skip:hover { color: var(--ob-text-sec); }

.ob-switch {
  text-align: center;
  margin-top: 20px;
  font-size: 14px;
  color: var(--ob-text-muted);
}
.ob-switch a { color: var(--ob-accent); text-decoration: none; }
.ob-switch a:hover { text-decoration: underline; }

/* Upload zone */
.ob-upload-zone {
  border: 2px dashed var(--ob-border);
  border-radius: 16px;
  padding: 56px 32px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--ob-surface);
  margin-bottom: 16px;
}
.ob-upload-zone:hover, .ob-upload-zone.drag-over {
  border-color: var(--ob-accent);
  background: var(--ob-accent-glow);
}
.ob-upload-zone.has-file { border-color: var(--ob-accent); border-style: solid; }
.ob-upload-icon { font-size: 40px; margin-bottom: 16px; }
.ob-upload-zone h3 { font-size: 16px; margin-bottom: 6px; }
.ob-upload-zone p { color: var(--ob-text-muted); font-size: 13px; }
.ob-upload-zone #ob-file-input { display: none; }
.ob-upload-zone .ob-btn-secondary { background: transparent; }

.ob-file-info {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--ob-elevated);
  border-radius: 8px;
  margin-bottom: 16px;
}
.ob-file-name { font-weight: 600; flex: 1; text-align: left; font-size: 14px; }
.ob-file-size { color: var(--ob-text-muted); font-size: 13px; }
.ob-file-remove { color: var(--ob-text-muted); cursor: pointer; font-size: 18px; border: none; background: transparent; color: var(--ob-text-muted); }
.ob-file-remove:hover { color: var(--ob-text); }

/* Processing state */
.ob-processing { text-align: center; padding: 24px 0; }
.ob-spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--ob-border);
  border-top-color: var(--ob-accent);
  border-radius: 50%;
  animation: ob-spin 0.8s linear infinite;
  margin: 0 auto 16px;
}
@keyframes ob-spin { to { transform: rotate(360deg); } }
.ob-processing p { color: var(--ob-text-sec); font-size: 14px; margin-bottom: 20px; }

.ob-progress-bar {
  height: 3px;
  background: var(--ob-border);
  border-radius: 2px;
  margin-bottom: 32px;
  overflow: hidden;
}
.ob-progress-fill {
  height: 100%;
  background: var(--ob-accent);
  border-radius: 2px;
  width: 0%;
  transition: width 0.5s ease;
}

.ob-processing-steps {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 280px;
  margin: 0 auto;
}
.ob-proc-step {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--ob-text-muted);
  transition: color 0.3s;
}
.ob-proc-step.active { color: var(--ob-text); }
.ob-proc-step.done { color: var(--ob-success); }
.ob-proc-step span { font-size: 16px; }

/* Results */
.ob-results { margin-top: 24px; text-align: center; }
.ob-result-badge {
  display: inline-block;
  background: var(--ob-accent-glow);
  border: 1px solid var(--ob-accent);
  color: var(--ob-accent);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.ob-results h2 { font-size: 22px; margin-bottom: 8px; }
.ob-result-desc { color: var(--ob-text-sec); font-size: 15px; margin-bottom: 24px; line-height: 1.6; }
.ob-results h3 { font-size: 15px; margin: 20px 0 12px; color: var(--ob-text-sec); text-align: left; }
.ob-clip-item {
  background: var(--ob-elevated);
  border-radius: 8px;
  padding: 14px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  text-align: left;
  margin-bottom: 8px;
}
.ob-clip-badge {
  background: var(--ob-accent);
  color: #08080c;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 100px;
  white-space: nowrap;
}
.ob-clip-label { font-weight: 600; font-size: 14px; margin-bottom: 2px; }
.ob-clip-reason { color: var(--ob-text-muted); font-size: 12px; }
.ob-results .ob-btn-primary { margin-top: 24px; }

/* Step 3: success */
.ob-success-icon { font-size: 64px; margin-bottom: 24px; }
.ob-done-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 32px;
}
.ob-done-actions .ob-btn-primary {
  background: var(--ob-accent);
  color: #08080c;
}
.ob-done-actions .ob-btn-secondary {
  background: transparent;
  border: 1px solid var(--ob-border);
  color: var(--ob-text);
  text-align: center;
  text-decoration: none;
}

/* Responsive */
@media (max-width: 900px) {
  .ob-root { grid-template-columns: 1fr; }
  .ob-brand { display: none; }
  .ob-panel { padding: 40px 24px; }
}