/* ===== 公共日记本 · 印象城市 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --ink: rgba(235, 228, 255, 0.92);
  --ink-soft: rgba(205, 196, 240, 0.6);
  --gold: rgba(232, 200, 120, 0.88);
  --glass: rgba(22, 19, 46, 0.5);
  --glass-border: rgba(200, 190, 255, 0.16);
  --font-serif: "Noto Serif SC", serif;
  --font-sans: "Noto Sans SC", sans-serif;
}

html { min-height: 100%; }
body {
  min-height: 100vh;
  background: radial-gradient(ellipse at 50% 30%, #342c66 0%, #241f52 38%, #15132e 100%);
  background-attachment: fixed;
  font-family: var(--font-sans);
  color: var(--ink);
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

/* 背景装饰 */
.bg-stars {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    radial-gradient(1.5px 1.5px at 20% 30%, rgba(255,255,255,0.7), transparent),
    radial-gradient(1.5px 1.5px at 70% 20%, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 40% 70%, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 85% 60%, rgba(255,255,255,0.45), transparent),
    radial-gradient(1.5px 1.5px at 55% 45%, rgba(255,255,255,0.5), transparent);
  z-index: 0;
  pointer-events: none;
}
.bg-glow {
  position: fixed;
  bottom: -20%; left: 50%;
  width: 80vw; height: 50vh;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(120, 90, 200, 0.25), transparent 70%);
  z-index: 0;
  pointer-events: none;
}

/* 顶栏 */
.topbar {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 28px;
}
.back-link, .topbar-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.25s ease;
}
.back-link:hover, .topbar-link:hover { color: var(--gold); }
.page-title {
  margin-left: auto;
  margin-right: auto;
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 1px;
  color: var(--ink);
}
.topbar-link { margin-left: 0; }

/* 管理员入口 + 弹出框（点击「管理」才出现，平时不占版面） */
.admin-wrap {
  position: relative;
  margin-left: 12px;
}
.topbar-btn {
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  color: var(--ink-soft);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.25s ease;
}
.topbar-btn:hover { color: var(--gold); border-color: var(--gold); }
.topbar-btn.on { color: var(--gold); border-color: var(--gold); }

.admin-pop {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  width: max-content;
  max-width: 240px;
  padding: 10px 12px;
  background: rgba(18, 14, 40, 0.96);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
/* 关键：hidden 时彻底隐藏（否则 display:flex 会盖过浏览器默认的 [hidden]） */
.admin-pop[hidden] { display: none; }
.admin-pop-status {
  width: 100%;
  font-size: 12px;
  color: var(--gold);
}
.admin-input {
  flex: 1 1 130px;
  min-width: 0;
  width: 130px;
  padding: 8px 11px;
  background: rgba(10, 8, 26, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: 9px;
  color: var(--ink);
  font-size: 13px;
  outline: none;
}
.admin-input::placeholder { color: var(--ink-soft); }
.admin-input:focus { border-color: var(--gold); }
.admin-btn {
  padding: 8px 14px;
  background: rgba(232, 200, 120, 0.16);
  border: 1px solid var(--gold);
  border-radius: 9px;
  color: var(--gold);
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.25s ease;
}
.admin-btn:hover { background: rgba(232, 200, 120, 0.3); }
.admin-btn.ghost {
  background: transparent;
  border-color: var(--glass-border);
  color: var(--ink-soft);
}
.admin-btn.ghost:hover { color: var(--gold); border-color: var(--gold); }

/* 主区域 */
.diary-wrap {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 12px 20px 40px;
  flex: 1 0 auto;
}

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.35);
}

/* 写日记 */
.compose {
  padding: 24px 26px;
  margin-bottom: 28px;
}
.compose-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 6px;
}
.compose-sub {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-bottom: 18px;
}
.compose-row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.cmp-input {
  flex: 1 1 200px;
  min-width: 0;
  padding: 11px 14px;
  background: rgba(10, 8, 26, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: border-color 0.25s ease;
}
.cmp-input::placeholder { color: var(--ink-soft); }
.cmp-input:focus { border-color: var(--gold); }
.cmp-area {
  width: 100%;
  min-height: 140px;
  resize: vertical;
  padding: 14px;
  background: rgba(10, 8, 26, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.8;
  outline: none;
  transition: border-color 0.25s ease;
}
.cmp-area::placeholder { color: var(--ink-soft); }
.cmp-area:focus { border-color: var(--gold); }
.compose-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.char-count { font-size: 12px; color: var(--ink-soft); }
.compose-actions { display: flex; align-items: center; gap: 16px; margin-left: auto; }
.ghost-link {
  font-size: 13px;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color 0.25s ease;
}
.ghost-link:hover { color: var(--gold); }
.cmp-btn {
  padding: 11px 22px;
  background: rgba(232, 200, 120, 0.16);
  border: 1px solid var(--gold);
  border-radius: 12px;
  color: var(--gold);
  font-family: var(--font-sans);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.25s ease;
}
.cmp-btn:hover:not(:disabled) { background: rgba(232, 200, 120, 0.3); }
.cmp-btn:disabled { opacity: 0.6; cursor: default; }

/* 列表 */
.list-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
  padding: 0 4px;
}
.list-title { font-family: var(--font-serif); font-size: 18px; font-weight: 500; }
.list-count { font-size: 12px; color: var(--ink-soft); }

.diary-list { display: flex; flex-direction: column; gap: 16px; }
.list-empty {
  text-align: center;
  color: var(--ink-soft);
  font-size: 14px;
  padding: 40px 0;
}

.entry {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 18px 20px;
  animation: fadeUp 0.5s ease both;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.entry-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.entry-author { font-family: var(--font-serif); font-size: 15px; color: var(--gold); }
.entry-time { font-size: 12px; color: var(--ink-soft); margin-left: auto; }
.entry-lock { font-size: 12px; color: var(--ink-soft); }
.entry-body {
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-word;
}
.entry-snippet { color: var(--ink-soft); font-style: italic; }

.lock-box {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.lock-input {
  flex: 1 1 160px;
  min-width: 0;
  padding: 9px 12px;
  background: rgba(10, 8, 26, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: var(--ink);
  font-size: 13px;
  outline: none;
}
.lock-input:focus { border-color: var(--gold); }
.lock-btn {
  padding: 9px 16px;
  background: transparent;
  border: 1px solid var(--gold);
  border-radius: 10px;
  color: var(--gold);
  font-size: 13px;
  cursor: pointer;
}
.lock-btn:hover { background: rgba(232, 200, 120, 0.18); }

/* 删除按钮 + 删除确认框 */
.entry-del {
  margin-left: 10px;
  width: 30px; height: 30px;
  flex: 0 0 auto;
  border: 1px solid var(--glass-border);
  background: transparent;
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  transition: all 0.25s ease;
}
.entry-del:hover {
  color: #f0a98f;
  border-color: #e0795a;
  background: rgba(224, 121, 90, 0.12);
}
.del-box {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  padding-top: 12px;
  border-top: 1px dashed var(--glass-border);
}
.del-input {
  flex: 1 1 180px;
  min-width: 0;
  padding: 9px 12px;
  background: rgba(10, 8, 26, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  color: var(--ink);
  font-size: 13px;
  outline: none;
}
.del-input:focus { border-color: #e0795a; }
.del-btn {
  padding: 9px 16px;
  background: rgba(224, 121, 90, 0.16);
  border: 1px solid #e0795a;
  border-radius: 10px;
  color: #f0a98f;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.25s ease;
}
.del-btn:hover { background: rgba(224, 121, 90, 0.3); }

/* 页脚 / toast */
.footer {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 26px 20px 30px;
  flex-shrink: 0;
}
.footer-text { font-size: 12px; color: var(--ink-soft); }

.np-toast {
  position: fixed;
  left: 50%; bottom: 36px;
  transform: translateX(-50%) translateY(20px);
  padding: 11px 20px;
  background: rgba(20, 16, 44, 0.94);
  border: 1px solid var(--gold);
  border-radius: 12px;
  color: var(--gold);
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  z-index: 80;
}
.np-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.np-toast.err { border-color: #e0795a; color: #f0a98f; }

/* 响应式 */
@media (max-width: 600px) {
  .topbar { padding: 14px 16px; }
  .page-title { font-size: 15px; }
  .diary-wrap { padding: 8px 14px 32px; }
  .compose { padding: 18px 16px; }
  .compose-row { gap: 8px; }
  .cmp-input { flex: 1 1 100%; }
  .compose-actions { width: 100%; justify-content: space-between; }
  .cmp-btn { flex: 1 1 auto; }
  .entry { padding: 16px 14px; }
}