/* ================ Theme tokens ================ */
:root {
  --bg: #f4f3ef;
  --surface: #ffffff;
  --border: #e2dfd8;
  --border-strong: #d6d3cc;
  --input-border: #a8a29e;
  --text: #18181b;
  --muted: #57534e;
  --accent: #1d4ed8;
  --live: #15803d;
  --paused: #b45309;
  --error: #9a3412;
  --error-bg: #fff4ed;
  --primary-bg: #18181b;
  --primary-text: #ffffff;
  --danger: #b91c1c;
  --focus: #1d4ed8;
}
html.dark {
  --bg: #141414;
  --surface: #1f1f1f;
  --border: #2e2e2e;
  --border-strong: #3d3d3d;
  --input-border: #6b6b6b;
  --text: #ededed;
  --muted: #b0aaa4;
  --accent: #8ab4ff;
  --live: #4ade80;
  --paused: #fbbf24;
  --error: #fdba74;
  --error-bg: #2b1a0f;
  --primary-bg: #ededed;
  --primary-text: #141414;
  --danger: #f87171;
  --focus: #8ab4ff;
}

/* ================ Base ================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  transition: background 0.3s, color 0.3s;
}
.page {
  max-width: 640px;
  margin: 0 auto;
  padding: 40px 16px 64px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
.btn {
  min-height: 44px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  font-size: 14px;
}
.icon-btn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.btn-primary {
  min-height: 44px;
  padding: 0 20px;
  border-radius: 8px;
  border: none;
  background: var(--primary-bg);
  color: var(--primary-text);
  font-size: 15px;
  font-weight: 600;
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: default;
}

/* ================ Header ================ */
header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
h1 {
  margin: 0;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.status-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  font-size: 13px;
  color: var(--muted);
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--live);
}
.dot.paused {
  background: var(--paused);
}
.admin-status:empty {
  display: none;
}
.admin-status::before {
  content: '·';
  margin-right: 8px;
}
.admin-status.error {
  color: var(--error);
}
.controls {
  display: flex;
  gap: 8px;
}

/* ================ Form ================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
}
#commentForm {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
label {
  font-size: 15px;
  font-weight: 600;
}
textarea,
dialog input {
  width: 100%;
  font: inherit;
  font-size: 16px;
  line-height: 1.5;
  padding: 12px;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}
textarea {
  resize: vertical;
  min-height: 110px;
}
textarea::placeholder {
  color: var(--muted);
}
.form-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.hint {
  font-size: 13px;
  color: var(--muted);
}
.form-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.char-count {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 13px;
  color: var(--muted);
}
.error-message {
  font-size: 14px;
  color: var(--error);
  background: var(--error-bg);
  border-radius: 8px;
  padding: 10px 12px;
}
.error-message:empty {
  display: none;
}

/* ================ Comments ================ */
.list-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
h2 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
}
.comments-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
#comments {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.comment {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: background 0.3s;
}
.comment.mine {
  border: 2px solid var(--accent);
  padding: 13px 15px;
}
.comment-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}
.comment-author {
  font-weight: 600;
}
.comment.mine .comment-author {
  color: var(--accent);
}
.comment-text {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}
.delete-btn {
  display: none;
  margin-left: auto;
  min-height: 32px;
  padding: 0 10px;
  border-radius: 6px;
  border: 1px solid var(--danger);
  background: transparent;
  color: var(--danger);
  font-size: 13px;
}
.admin-mode .delete-btn {
  display: inline-block;
}
#loadOlder {
  align-self: center;
  background: transparent;
}
#loadOlder[hidden] {
  display: none;
}

/* ================ Admin sign-in dialog ================ */
dialog {
  width: min(360px, 90vw);
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  color: var(--text);
}
dialog::backdrop {
  background: rgba(0, 0, 0, 0.4);
}
#adminForm {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

/* ================ Make fun ================ */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}