:root {
  --blue: #0071e3;
  --blue-dark: #0058b0;
  --green: #34c759;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --border: #d2d2d7;
  --card-bg: #ffffff;
}

* {
  box-sizing: border-box;
}

html, body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: linear-gradient(135deg, var(--blue) 0%, var(--green) 100%);
  background-attachment: fixed;
  color: var(--text);
}

a {
  color: var(--blue);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 24px 16px;
}
.header-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.auth-status {
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.push-on {
  color: var(--green);
  font-weight: 600;
}
.push-off {
  color: var(--text-secondary);
}
.dev-badge {
  display: inline-block;
  background: var(--green);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 980px;
}

.name-badge {
  display: inline-block;
  align-self: flex-start;
  background: var(--bg-muted, #e8e8ed);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 980px;
}
.name-badge--dev {
  background: var(--green);
  color: #fff;
}
.brand {
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
}
.brand .tm {
  font-size: 13px;
  font-weight: 400;
  vertical-align: super;
  margin-left: 1px;
}
.byline {
  margin: 2px 0 0;
  color: var(--text-secondary);
  font-size: 13px;
}
.tagline {
  margin: 4px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.app {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px;
  min-height: 60vh;
}

.site-footer {
  text-align: center;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  font-size: 12px;
  padding: 24px;
}

.breadcrumbs {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  margin-bottom: 16px;
}
.breadcrumbs a {
  color: rgba(255, 255, 255, 0.92);
}
.breadcrumbs .sep {
  margin: 0 6px;
}

h1.page-title {
  font-size: 28px;
  margin: 0 0 4px;
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}
p.page-desc {
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  margin: 0 0 20px;
}

.card-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  transition: box-shadow 0.15s ease;
}
.card:hover {
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}
.card-title {
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 4px;
}
.card-title a {
  color: var(--text);
}
.card-meta {
  font-size: 13px;
  color: var(--text-secondary);
}
.card-desc {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--text-secondary);
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 980px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}
.btn:hover {
  background: var(--blue-dark);
  text-decoration: none;
}
.btn.secondary {
  background: transparent;
  color: var(--blue);
  border: 1px solid var(--border);
}
.btn.secondary:hover {
  background: #eee;
}

.empty-state {
  text-align: center;
  color: var(--text-secondary);
  padding: 60px 20px;
  background: var(--card-bg);
  border-radius: 12px;
}

form.stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

input[type="text"], textarea {
  font-family: inherit;
  font-size: 14px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  resize: vertical;
}
input[type="text"]:focus, textarea:focus {
  outline: 2px solid var(--blue);
  outline-offset: -1px;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.form-error {
  color: #d70015;
  font-size: 13px;
}

.topic-post {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}
.topic-post h1.page-title {
  color: var(--text);
  text-shadow: none;
}
.post-body {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: 15px;
  line-height: 1.5;
  margin: 12px 0 0;
}
.post-author {
  font-weight: 600;
  font-size: 14px;
}
.post-meta {
  color: var(--text-secondary);
  font-size: 13px;
}

.replies-heading {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  margin: 24px 0 10px;
}

.reply {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 12px;
}

.link-btn {
  background: none;
  border: none;
  color: var(--blue);
  font-size: 13px;
  font-weight: 500;
  padding: 0;
  margin-top: 10px;
  cursor: pointer;
  font-family: inherit;
}
.link-btn:hover {
  text-decoration: underline;
}

.loading {
  text-align: center;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  padding: 40px;
}