:root {
  --bg: #0d1021;
  --bg-soft: #151a33;
  --panel: #1b2140;
  --border: #2b3157;
  --text: #e8eaf6;
  --text-dim: #a0a6c8;
  --accent: #7c5cff;
  --accent-2: #ffc857;
  --danger: #ff6b6b;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(124, 92, 255, 0.22), transparent 60%),
    radial-gradient(900px 400px at -10% 110%, rgba(255, 200, 87, 0.08), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family:
    "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", system-ui, -apple-system,
    "Segoe UI", sans-serif;
  line-height: 1.6;
}

.wrap {
  width: min(960px, 92vw);
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(13, 16, 33, 0.8);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
  text-decoration: none;
  color: var(--text);
}

.brand span {
  color: var(--accent-2);
}

.nav {
  display: flex;
  gap: 18px;
}

.nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-weight: 600;
}

.nav a.active,
.nav a:hover {
  color: var(--text);
}

main {
  flex: 1;
  padding-bottom: 48px;
}

.hero {
  padding: 40px 0 12px;
}

.hero h1 {
  margin: 0 0 8px;
  font-size: 30px;
  letter-spacing: 1px;
}

.hero .sub {
  margin: 0;
  color: var(--text-dim);
  max-width: 640px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 18px 0;
}

.filter,
.tabs button {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text-dim);
  padding: 7px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
}

.filter.active,
.filter:hover,
.tabs button.active {
  border-color: var(--accent);
  color: var(--text);
  background: rgba(124, 92, 255, 0.18);
}

.feed {
  display: grid;
  gap: 14px;
}

.state {
  color: var(--text-dim);
  padding: 12px 0;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.card-link {
  display: block;
  padding: 18px 20px;
  color: inherit;
  text-decoration: none;
}

.badges {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.badge {
  font-size: 12px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 999px;
}

.badge-source {
  background: rgba(124, 92, 255, 0.2);
  color: #c6b8ff;
}

.badge-category {
  background: rgba(255, 200, 87, 0.14);
  color: var(--accent-2);
}

.card-title {
  margin: 0 0 6px;
  font-size: 17px;
}

.card-summary {
  margin: 0 0 10px;
  color: var(--text-dim);
  font-size: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-dim);
  font-size: 13px;
}

.card-meta .go {
  color: var(--accent-2);
  font-weight: 700;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  color: var(--text-dim);
  font-size: 13px;
}

.site-footer p {
  margin: 4px 0;
}

/* 後台 */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 420px;
}

.login-form {
  display: grid;
  gap: 10px;
}

.login-form label {
  font-weight: 700;
}

.login-form input {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
}

.login-form button,
.btn-primary,
.btn-danger {
  border: none;
  padding: 9px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
  color: #fff;
}

.login-form button,
.btn-primary {
  background: var(--accent);
}

.btn-danger {
  background: var(--danger);
}

.login-form .hint {
  margin: 0;
  font-size: 12px;
  color: var(--text-dim);
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 18px 0;
}

.tabs {
  display: flex;
  gap: 8px;
}

.fetch-result {
  color: var(--accent-2);
  font-size: 14px;
}

.admin-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
}

.admin-card-body h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.admin-card-body p {
  margin: 0 0 8px;
  color: var(--text-dim);
  font-size: 14px;
}

.admin-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-shrink: 0;
}

.admin-actions a {
  color: var(--accent-2);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 640px) {
  .admin-card {
    flex-direction: column;
    align-items: stretch;
  }
}

/* 搜尋 / 分頁 */
.search-bar {
  padding: 4px 0 0;
}

.search-bar input {
  width: 100%;
  max-width: 420px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 15px;
}

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

.pager {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  padding: 20px 0 0;
}

.page-info {
  color: var(--text-dim);
  font-size: 14px;
}

.btn-ghost {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
}

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

/* 詳情頁 */
.detail {
  padding-top: 18px;
}

.back-link {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
}

.back-link:hover {
  color: var(--accent-2);
}

.detail-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.detail-title {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 1.4;
}

.detail-date {
  color: var(--text-dim);
  font-size: 14px;
  margin: 0 0 18px;
}

.detail-summary {
  font-size: 16px;
  line-height: 1.9;
  white-space: pre-wrap;
  margin: 0 0 18px;
}

.detail-note {
  color: var(--text-dim);
  font-size: 13px;
  border-top: 1px dashed var(--border);
  padding-top: 14px;
  margin: 0 0 18px;
}

.original-link {
  display: inline-block;
  text-decoration: none;
}

/* 後台表單 */
.add-panel {
  margin: 14px 0;
  padding: 14px 18px;
}

.add-panel summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--accent-2);
}

.admin-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 14px;
}

.admin-form label {
  display: grid;
  gap: 5px;
  font-size: 13px;
  color: var(--text-dim);
  font-weight: 700;
}

.admin-form input,
.admin-form select,
.admin-form textarea,
.edit-form input,
.edit-form select,
.edit-form textarea {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
}

.admin-form .span-2 {
  grid-column: 1 / -1;
}

.admin-form button {
  justify-self: start;
}

.admin-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.admin-card-head h3 {
  margin: 0;
  font-size: 16px;
}

.edit-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}

.edit-form[hidden] {
  display: none;
}

.edit-form textarea {
  grid-column: 1 / -1;
}

.edit-form button {
  justify-self: start;
}

@media (max-width: 640px) {
  .admin-form,
  .edit-form {
    grid-template-columns: 1fr;
  }

  .admin-form .span-2 {
    grid-column: auto;
  }
}

/* 意見回饋浮窗 */
.fab {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 40;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.35);
  transition: transform 0.15s ease, background 0.15s ease;
}

.fab:hover {
  transform: translateY(-2px);
  background: #8f74ff;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.modal-card {
  position: relative;
  width: min(520px, 100%);
  max-height: 86vh;
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-card h2 {
  margin: 0 0 4px;
  font-size: 20px;
}

.modal-card .sub {
  margin: 0 0 14px;
  color: var(--text-dim);
  font-size: 14px;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.modal-close:hover {
  color: var(--text);
}

.feedback-form {
  display: grid;
  gap: 10px;
  max-width: 560px;
}

.feedback-form textarea,
.feedback-form input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
}

.feedback-form button {
  justify-self: start;
}

.feedback-form .hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
}

/* Cookie 提示 */
.cookie-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 50;
  max-width: 640px;
  margin: 0 auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.cookie-banner[hidden] {
  display: none;
}

.cookie-banner p {
  margin: 0;
  flex: 1 1 320px;
  font-size: 14px;
  color: var(--text-dim);
}

.cookie-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}