/* Light mode (default) */
:root {
  --primary: #0070f3;
  --primary-hover: #0060df;
  --success: #17a34a;
  --bg: #fafafa;
  --card-bg: #ffffff;
  --text: #171717;
  --text-secondary: #525252;
  --border: #e5e5e5;
  --radius: 12px;
}

/* Dark mode */
body.dark-mode {
  --bg: #0a0a0a;
  --card-bg: #171717;
  --text: #fafafa;
  --text-secondary: #a3a3a3;
  --border: #262626;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color 0.3s, color 0.3s;
}

.header-bg {
  position: relative;
  background-image: url("gh-pages/gfwf-promo.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 3rem 0 2rem;
}

.header-bg::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(250, 250, 250, 0.65);
  backdrop-filter: blur(2px);
  z-index: 0;
}

body.dark-mode .header-bg::before {
  background: rgba(10, 10, 10, 0.85);
}

.header-content {
  position: relative;
  z-index: 1;
}

.header-content h1 {
  text-shadow: 0 2px 8px rgba(255, 255, 255, 0.8),
    0 0 20px rgba(255, 255, 255, 0.6);
}

body.dark-mode .header-content h1 {
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8), 0 0 20px rgba(255, 255, 255, 0.3);
}

.header-content .subtitle {
  text-shadow: 0 1px 4px rgba(255, 255, 255, 0.8),
    0 0 12px rgba(255, 255, 255, 0.5);
}

body.dark-mode .header-content .subtitle {
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8), 0 0 12px rgba(255, 255, 255, 0.2);
}

.header-content .demo-btn {
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.6), 0 2px 8px rgba(0, 0, 0, 0.1);
}

.header-content .demo-btn:hover {
  box-shadow: 0 6px 16px rgba(255, 255, 255, 0.8),
    0 4px 12px rgba(0, 112, 243, 0.2);
}

.theme-toggle {
  position: fixed;
  top: 1rem;
  right: 1rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.25rem;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

.theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.intro-section {
  text-align: center;
  padding: 2rem 1.5rem 0.5rem;
  max-width: 680px;
  margin: 0 auto;
}

.intro-section h1 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.intro-section p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.card:not(:last-of-type):not(.completion-card)::after {
  content: "";
  position: absolute;
  left: 2.25rem;
  top: 100%;
  width: 3px;
  height: 1.5rem;
  background: var(--primary);
  opacity: 0.3;
  z-index: 0;
}

.card h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  font-size: 0.875rem;
  font-weight: 600;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}

.step-badge.done {
  background: var(--success);
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.form-group input {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  background: var(--card-bg);
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:required:placeholder-shown {
  border-width: 3px;
  border-color: var(--text-secondary);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 112, 243, 0.1);
}

.form-group input:required:placeholder-shown:focus {
  border-width: 3px;
  border-color: var(--primary);
}

.form-group input:required:valid:not(:placeholder-shown) {
  border-color: var(--success);
}

.form-group input:required:valid:not(:placeholder-shown):focus {
  border-color: var(--success);
  box-shadow: 0 0 0 3px rgba(23, 163, 74, 0.1);
}

.form-group input:invalid:not(:placeholder-shown),
.form-group input.error {
  border-width: 3px;
  border-color: #ef4444;
}

.form-group input:invalid:not(:placeholder-shown):focus,
.form-group input.error:focus {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group .hint {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

.tip-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  background: var(--border);
  color: var(--text-secondary);
  border: none;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

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

.tooltip {
  display: none;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  font-size: 0.875rem;
  margin-top: 0.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.tooltip.show {
  display: block;
}

.tooltip a {
  color: var(--primary);
}

.deploy-btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  transition: background 0.2s;
}

.deploy-btn:hover {
  background: var(--primary-hover);
}

.deploy-btn.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.deploy-btn img {
  vertical-align: middle;
}

.deploy-btn-wrapper {
  display: flex;
  justify-content: center;
  margin: 1rem 0;
}

.deploy-btn-styled {
  display: inline-block;
  background: #000;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
  transition: box-shadow 0.2s, transform 0.2s;
}

.deploy-btn-styled:hover {
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.deploy-btn-styled.disabled {
  opacity: 0.5;
  pointer-events: none;
}

.deploy-btn-styled img {
  display: block;
  height: 40px;
}

.advanced-toggle {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 0.875rem;
  cursor: pointer;
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.advanced-toggle:hover {
  text-decoration: underline;
}

.advanced-section {
  display: none;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.advanced-section.show {
  display: block;
}

.computed-values {
  background: var(--bg);
  border-radius: 8px;
  padding: 1rem;
  margin-top: 1rem;
  font-family: monospace;
  font-size: 0.875rem;
}

.computed-values.compact {
  margin-top: 0.75rem;
}

.computed-values div {
  margin-bottom: 0.5rem;
}

.computed-values .key {
  color: var(--text-secondary);
}

.computed-values .value {
  color: var(--primary);
  word-break: break-all;
}

.step-description {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.deploy-note {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.tooltip ul {
  margin: 0.5rem 0 0 1rem;
}

.form-section {
  margin-top: 1rem;
}

.checkbox-label {
  margin-bottom: 0;
}

#basicAuthFields {
  display: none;
  margin-top: 1rem;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.status.pending {
  background: #fef3c7;
  color: #92400e;
}

.status.done {
  background: #dcfce7;
  color: #166534;
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
  width: auto;
}

.visit-btn {
  display: none;
  margin-top: 1rem;
}

.visit-btn.show {
  display: inline-block;
}

.visit-btn a {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--success);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
}

.buttons-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.prefix-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.prefix-row input {
  flex: 1;
}

.prefix-row input:first-child {
  flex: 2;
}

.demo-section {
  text-align: center;
  margin-bottom: 1.5rem;
}

.demo-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  background: white;
  color: var(--text);
  text-decoration: none;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-weight: 500;
  font-size: 1rem;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

body.dark-mode .demo-btn {
  background: var(--text);
  color: white;
  border-color: var(--border);
}

.demo-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 112, 243, 0.15);
}

body.dark-mode .demo-btn:hover {
  color: var(--primary);
  background: var(--card-bg);
}

.demo-btn::after {
  content: "→";
  margin-left: 0.25rem;
  transition: transform 0.2s;
}

.demo-btn:hover::after {
  transform: translateX(3px);
}

.readme-link {
  color: var(--success) !important;
  font-weight: 500;
}

.readme-link:hover {
  text-decoration: underline;
}

.completion-card {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  border: none;
  color: white;
  text-align: center;
  display: none;
}

.completion-card.show {
  display: block;
}

.completion-card h2 {
  justify-content: center;
  font-size: 1.5rem;
}

.completion-card .step-badge {
  background: rgba(255, 255, 255, 0.3);
}

.completion-emoji {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.completion-message {
  font-size: 1.1rem;
  opacity: 0.95;
  margin-bottom: 1.5rem;
}

.try-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: white;
  color: #059669;
  text-decoration: none;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.2s;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
}

.try-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

footer {
  margin-top: 2rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

footer a {
  color: var(--primary);
}