/* SparkAI - Register Page Styles */

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

:root {
  color-scheme: dark;
  --bg: #0a0a0b;
  --bg-card: #141416;
  --bg-input: #1a1a1d;
  --border: #2a2a2e;
  --border-focus: #74749b;
  --text: #fafafa;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  --primary: #74749b;
  --primary-hover: #9e9eb8;
  --success: #22c55e;
  --error: #ef4444;
  --gradient: linear-gradient(135deg, #74749b 0%, #9494b8 100%);
}

/* Block Dark Reader completely */
html[data-darkreader-mode="dynamic"] body,
html[data-darkreader-scheme="dark"] body {
  background-color: #0a0a0b !important;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 480px;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 32px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  margin-bottom: 24px;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg { width: 18px; height: 18px; color: white; }

h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.subtitle {
  color: var(--text-muted);
  font-size: 15px;
}

/* Progress */
.progress {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
}

.progress-step {
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  transition: background 0.3s;
}

.progress-step.active { background: var(--primary); }
.progress-step.done { background: var(--success); }

/* Card */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}

/* Steps */
.step { display: none; }
.step.active { display: block; }

.step-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.step-desc {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 24px;
}

/* Form */
.form-group { margin-bottom: 20px; }

label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 8px;
}

input[type="text"],
input[type="email"] {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  font-family: inherit;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

input::placeholder { color: var(--text-dim); }

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.checkbox-group label {
  margin: 0;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
}

/* Code input */
.code-inputs {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.code-input {
  width: 48px;
  height: 56px;
  text-align: center;
  font-size: 24px;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  transition: border-color 0.2s;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--gradient);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-input);
  color: var(--text);
}

.btn-group {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.btn-group .btn { flex: 1; }

/* Messages */
.message {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 20px;
  display: none;
}

.message.show { display: block; }
.message.error { background: rgba(239, 68, 68, 0.1); color: var(--error); border: 1px solid rgba(239, 68, 68, 0.2); }
.message.success { background: rgba(34, 197, 94, 0.1); color: var(--success); border: 1px solid rgba(34, 197, 94, 0.2); }

/* Step 3: Code snippets */
.language-select {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.lang-btn {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.lang-btn:hover { border-color: var(--text-muted); color: var(--text); }
.lang-btn.active { background: var(--primary); border-color: var(--primary); color: white; }

.code-section { margin-bottom: 24px; }

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.code-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

.copy-btn {
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}

.copy-btn:hover { background: var(--border); color: var(--text); }
.copy-btn.copied { background: var(--success); border-color: var(--success); color: white; }

.code-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  overflow-x: auto;
}

.code-block pre {
  margin: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-all;
}

.code-block .comment { color: var(--text-dim); }
.code-block .string { color: #a5d6ff; }
.code-block .keyword { color: #ff7b72; }
.code-block .tag { color: #7ee787; }

/* Success state */
.success-icon {
  width: 64px;
  height: 64px;
  background: rgba(34, 197, 94, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.success-icon svg { width: 32px; height: 32px; color: var(--success); }

/* Footer */
.footer {
  text-align: center;
  margin-top: 24px;
  font-size: 13px;
  color: var(--text-dim);
}

.footer a { color: var(--text-muted); text-decoration: none; }
.footer a:hover { color: var(--text); }

/* Loading */
.loading { display: none; }
.btn.loading .loading { display: inline-block; }
.btn.loading .btn-text { display: none; }

@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* Responsive */
@media (max-width: 520px) {
  .card { padding: 24px; }
  h1 { font-size: 24px; }
  .code-input { width: 42px; height: 50px; font-size: 20px; }
}