@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&display=swap');

:root {
  --ink: #1a2332;
  --ink-soft: #3d4a5c;
  --muted: #6b7a8d;
  --line: rgba(26, 35, 50, 0.08);
  --surface: rgba(255, 252, 248, 0.86);
  --surface-solid: #fffcf8;
  --accent: #0d6e6e;
  --accent-hover: #0a5858;
  --accent-soft: rgba(13, 110, 110, 0.1);
  --danger: #c44536;
  --warn: #b45309;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(26, 35, 50, 0.04), 0 8px 24px rgba(26, 35, 50, 0.06);
  --font: "DM Sans", "Segoe UI", sans-serif;
  --display: "Fraunces", Georgia, serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(13, 110, 110, 0.12), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(180, 120, 60, 0.1), transparent 50%),
    linear-gradient(180deg, #e8eef2 0%, #dfe8e6 45%, #e6ebe8 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.45'/%3E%3C/svg%3E");
  z-index: 0;
}

.site-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.w1000 {
  max-width: 760px;
  margin: 0 auto;
  width: 100%;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(26, 35, 50, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 28px rgba(26, 35, 50, 0.18);
}

.site-header .navbar {
  padding: 0.85rem 1.25rem;
}

.site-header .navbar-brand {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: #fff !important;
  margin-right: 1.5rem;
  transition: opacity 0.2s ease;
}

.site-header .navbar-brand:hover {
  opacity: 0.85;
}

.site-header .nav-link {
  color: rgba(255, 255, 255, 0.72) !important;
  font-weight: 500;
  font-size: 0.92rem;
  padding: 0.4rem 0.85rem !important;
  border-radius: 8px;
  transition: color 0.2s ease, background 0.2s ease;
}

.site-header .nav-link:hover,
.site-header .nav-link:focus {
  color: #fff !important;
  background: rgba(255, 255, 255, 0.08);
}

.site-header .navbar-toggler {
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.35rem 0.55rem;
}

.site-header .navbar-toggler:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(13, 110, 110, 0.35);
}

.search-form .form-control {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #fff;
  border-radius: 10px 0 0 10px;
  font-size: 0.9rem;
  min-width: 160px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.search-form .form-control::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.search-form .form-control:focus {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
  box-shadow: none;
}

.search-form .btn-search {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  border-radius: 0 10px 10px 0;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.45rem 1rem;
  transition: background 0.2s ease, transform 0.15s ease;
}

.search-form .btn-search:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

/* Main */
.main-panel {
  flex: 1;
  padding: 1.75rem 1rem 2rem;
  animation: fadeUp 0.45s ease both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.panel-card {
  background: var(--surface);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.35rem 1.4rem;
  margin-bottom: 1.25rem;
}

.panel-title {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.35rem;
  letter-spacing: -0.02em;
}

.panel-desc {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Forms */
.form-control {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-solid);
  color: var(--ink);
  padding: 0.7rem 0.9rem;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: #fff;
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-group label {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin-bottom: 0.35rem;
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  border-radius: 10px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.65rem 1.1rem;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 6px 16px rgba(13, 110, 110, 0.28);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-danger {
  border-radius: 10px;
  font-weight: 600;
}

.btn-default,
.btn-secondary {
  border-radius: 10px;
}

#vcode_img {
  border-radius: 8px;
  border: 1px solid var(--line);
  height: 40px;
  width: auto;
  max-width: 100%;
  background: #fff;
}

/* Message list */
.msg-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.card {
  background: var(--surface);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line) !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 0 !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  animation: fadeUp 0.4s ease both;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(26, 35, 50, 0.05), 0 16px 32px rgba(26, 35, 50, 0.08);
  border-color: rgba(13, 110, 110, 0.22) !important;
}

.card.border-success {
  border-color: rgba(13, 110, 110, 0.45) !important;
  box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow);
}

.card-header {
  background: transparent !important;
  border-bottom: 1px solid var(--line) !important;
  padding: 0.85rem 1.15rem !important;
  font-size: 0.86rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
}

.card-header.text-danger,
.card-header .text-danger,
strong.text-danger {
  color: var(--danger) !important;
}

.card-header .badge-top,
.card-header .badge-lock {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  margin-left: 0.25rem;
}

.card-header .badge-top {
  background: rgba(196, 69, 54, 0.12);
  color: var(--danger);
}

.card-header .badge-lock {
  background: rgba(180, 83, 9, 0.12);
  color: var(--warn);
}

.card-header .click[data-act="reply"] {
  margin-left: auto;
  color: var(--accent) !important;
  font-weight: 600;
  font-size: 0.84rem;
  text-decoration: none !important;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  float: none !important;
  transition: background 0.15s ease;
}

.card-header .click[data-act="reply"]:hover {
  background: var(--accent-soft);
}

.card-body {
  padding: 1.05rem 1.15rem !important;
}

.card-body .content {
  margin: 0;
  color: var(--ink);
  font-size: 0.98rem;
  line-height: 1.7;
  word-break: break-word;
  white-space: pre-wrap;
}

.reply {
  white-space: pre-wrap;
  word-break: break-word;
}

.msg-author {
  font-weight: 600;
  color: var(--ink);
}

.msg-ip {
  display: inline-block;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-hover);
  background: var(--accent-soft);
  padding: 0.12rem 0.45rem;
  border-radius: 6px;
  margin: 0 0.15rem;
  letter-spacing: 0.02em;
}

.msg-time {
  color: var(--muted);
}

.mail {
  color: var(--muted);
  font-size: 0.82rem;
}

.card.is-pending,
.rcontent.is-pending {
  border-color: rgba(180, 83, 9, 0.35) !important;
}

.card.is-pending {
  background: linear-gradient(180deg, rgba(180, 83, 9, 0.06), var(--surface));
}

.site-header .nav-link.active {
  color: #fff !important;
  background: rgba(13, 110, 110, 0.45);
}

.search-hint a {
  color: var(--accent-hover);
  font-weight: 600;
}

/* Floating messages — ~2/3 viewport, CSS marquee (no JS required) */
.float-stage {
  position: relative;
  height: 66vh;
  min-height: 320px;
  max-height: none;
  margin-bottom: 1.15rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(13, 110, 110, 0.1), rgba(180, 120, 60, 0.08)),
    var(--surface);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  padding: 1.6rem 0 0.6rem;
  box-sizing: border-box;
}

.float-lanes {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  min-height: 0;
}

.float-stage-label {
  position: absolute;
  top: 0.55rem;
  left: 0.75rem;
  z-index: 2;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-hover);
  background: rgba(255, 252, 248, 0.9);
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
  pointer-events: none;
}

.float-lane {
  position: relative;
  flex: 1;
  min-height: 2.2rem;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.float-lane-track {
  display: inline-flex;
  align-items: center;
  gap: 0;
  white-space: nowrap;
  width: max-content;
  animation: floatMarquee var(--speed, 28s) linear infinite;
  will-change: transform;
}

.float-spacer {
  display: inline-block;
  flex: 0 0 auto;
  height: 1px;
  pointer-events: none;
}

.float-lane:nth-child(odd) .float-lane-track {
  animation-name: floatMarquee;
}

.float-lane:nth-child(even) .float-lane-track {
  animation-name: floatMarqueeReverse;
  animation-duration: var(--speed, 32s);
}

.float-stage:hover .float-lane-track {
  animation-play-state: paused;
}

.float-item {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  max-width: 300px;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  font-size: 0.88rem;
  line-height: 1.35;
  text-decoration: none !important;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  box-shadow: 0 4px 14px rgba(26, 35, 50, 0.08);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  vertical-align: middle;
}

.float-item strong {
  margin-right: 0.35rem;
  font-weight: 700;
}

.float-item:hover {
  transform: translateY(-2px) scale(1.03);
  z-index: 3;
  box-shadow: 0 8px 20px rgba(26, 35, 50, 0.14);
}

.float-item.s-teal {
  background: linear-gradient(135deg, #e6f4f4, #f7fcfc);
  border: 1px solid rgba(13, 110, 110, 0.28);
  color: #2a4550;
}
.float-item.s-teal strong { color: #0d6e6e; }

.float-item.s-sand {
  background: linear-gradient(135deg, #f8efe3, #fffaf4);
  border: 1px solid rgba(176, 120, 60, 0.3);
  color: #5c4530;
  border-radius: 12px;
}
.float-item.s-sand strong { color: #9a5b1a; }

.float-item.s-ink {
  background: #1a2332;
  border: 1px solid #1a2332;
  color: rgba(255, 252, 248, 0.92);
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(26, 35, 50, 0.28);
}
.float-item.s-ink strong { color: #7dd3d0; }

.float-item.s-ghost {
  background: transparent;
  border: 1.5px dashed rgba(13, 110, 110, 0.45);
  color: #3d4a5c;
  box-shadow: none;
}
.float-item.s-ghost strong { color: #0a5858; }
.float-item.s-ghost:hover {
  background: rgba(13, 110, 110, 0.06);
  box-shadow: none;
}

.float-item.s-mint {
  background: linear-gradient(135deg, #dff3ea, #f3fbf7);
  border: 1px solid rgba(46, 125, 90, 0.28);
  color: #2d4a3c;
  border-radius: 16px 16px 16px 4px;
}
.float-item.s-mint strong { color: #1f7a55; }

.float-item.s-coral {
  background: linear-gradient(135deg, #fde8e4, #fff6f4);
  border: 1px solid rgba(180, 70, 55, 0.28);
  color: #5c332c;
}
.float-item.s-coral strong { color: #c44536; }

.float-item.s-sky {
  background: linear-gradient(135deg, #e5f1fa, #f5faff);
  border: 1px solid rgba(50, 110, 160, 0.28);
  color: #2c4560;
  border-radius: 4px 16px 16px 16px;
}
.float-item.s-sky strong { color: #2a6f9e; }

.float-item.s-tag {
  background: #0d6e6e;
  border: 1px solid #0a5858;
  color: #fff;
  font-weight: 500;
}
.float-item.s-tag strong {
  color: #b8ecea;
  background: rgba(255, 255, 255, 0.12);
  padding: 0.05rem 0.4rem;
  border-radius: 999px;
  margin-right: 0.45rem;
  font-size: 0.78rem;
}

.float-item.is-sm {
  font-size: 0.78rem;
  padding: 0.28rem 0.7rem;
  max-width: 220px;
  opacity: 0.92;
}

.float-item.is-lg {
  font-size: 0.98rem;
  padding: 0.55rem 1.1rem;
  max-width: 340px;
  font-weight: 500;
}

.float-empty {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 0 1rem;
}

@keyframes floatMarquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes floatMarqueeReverse {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

@media (max-width: 576px) {
  .float-stage {
    height: 66vh;
    min-height: 260px;
  }
  .float-item {
    font-size: 0.8rem;
    max-width: 220px;
  }
}

.card-body p:last-child {
  margin-bottom: 0;
}

.rcontent {
  margin: 0.75rem 0 0;
  margin-left: 0;
  padding: 0.7rem 0.85rem;
  border-top: none;
  border-left: 3px solid var(--accent);
  background: rgba(13, 110, 110, 0.05);
  border-radius: 0 10px 10px 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.rcontent.border-success {
  border-left-color: var(--accent);
  background: rgba(13, 110, 110, 0.1);
}

.rcontent .click {
  color: var(--accent);
  font-size: 0.8rem;
  margin-left: 0.35rem;
  text-decoration: none;
}

.rcontent .click:hover {
  text-decoration: underline;
}

.card-footer {
  background: rgba(26, 35, 50, 0.03) !important;
  border-top: 1px solid var(--line) !important;
  padding: 0.65rem 1.15rem !important;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.card-footer .click {
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.15s ease;
}

.card-footer .click:hover {
  color: var(--accent);
}

.rebox {
  margin-top: 0.75rem;
  padding: 0.85rem;
  background: rgba(26, 35, 50, 0.03);
  border-radius: 10px;
  border: 1px dashed rgba(13, 110, 110, 0.25);
}

/* Compose form inside list */
#message.form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.35rem;
  margin-bottom: 1.1rem;
  position: relative;
}

#message.form::before {
  content: "写留言";
  display: block;
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.85rem;
  color: var(--ink);
  letter-spacing: -0.02em;
}

#message.form.is-replying::before {
  content: "回复留言";
}

#message.form .form-group:last-child {
  margin-bottom: 0;
}

/* Login / config panes */
#login.form,
#config {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem 1.4rem;
  margin-bottom: 1.25rem;
  max-width: 480px;
}

#login.form::before {
  content: "管理登录";
  display: block;
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

#config::before {
  content: "系统设置";
  display: block;
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

/* Pagination */
.pagination {
  margin-top: 1.5rem;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.pagination .page-link {
  border: 1px solid var(--line);
  border-radius: 8px !important;
  margin: 0;
  color: var(--ink-soft);
  background: var(--surface);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.45rem 0.75rem;
  transition: all 0.15s ease;
}

.pagination .page-item.active .page-link {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.pagination .page-link:hover {
  background: var(--accent-soft);
  border-color: rgba(13, 110, 110, 0.3);
  color: var(--accent);
}

.pagination .page-item.disabled .page-link {
  background: transparent;
  color: var(--muted);
  border-color: transparent;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 2rem 1rem 2.5rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.site-footer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* Modals */
.modal-content {
  border: none;
  border-radius: 14px;
  box-shadow: 0 20px 50px rgba(26, 35, 50, 0.25);
  overflow: hidden;
}

.modal-header {
  border-bottom: 1px solid var(--line);
  background: var(--surface-solid);
}

.modal-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.1rem;
}

.modal-footer {
  border-top: 1px solid var(--line);
}

.alert-success {
  border-radius: 10px;
  border: none;
  background: var(--accent-soft);
  color: var(--accent-hover);
}

/* Empty / search hint */
.search-hint {
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  background: var(--accent-soft);
  color: var(--accent-hover);
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
}

@media (max-width: 576px) {
  .site-header .navbar {
    padding: 0.7rem 0.9rem;
  }

  .main-panel {
    padding: 1.1rem 0.75rem 1.5rem;
  }

  .panel-card,
  #message.form,
  #login.form,
  #config {
    padding: 1.1rem;
  }

  .card-header,
  .card-body,
  .card-footer {
    padding-left: 0.95rem !important;
    padding-right: 0.95rem !important;
  }

  .search-form .form-control {
    min-width: 0;
  }
}