/* ============================================================
   fn-wg-web - WireGuard 管理器
   深色科技风设计系统
   ============================================================ */

:root {
  --bg: #0a0f1a;
  --bg-grad: radial-gradient(1200px 500px at 20% -10%, #12233d 0%, transparent 55%),
             radial-gradient(900px 420px at 90% 110%, #0e2b2c 0%, transparent 50%);
  --panel: #0f1828;
  --panel-2: #121d30;
  --border: #1d2b44;
  --border-soft: #16223a;
  --text: #e6edf7;
  --text-dim: #8b9bb4;
  --text-faint: #5d6d88;
  --accent: #2dd4a7;
  --accent-strong: #34e0b2;
  --accent-soft: rgba(45, 212, 167, 0.12);
  --ok: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  --mono: "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font);
  background: var(--bg);
  background-image: var(--bg-grad);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ---------------- 顶栏 ---------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 15, 26, 0.72);
  border-bottom: 1px solid var(--border-soft);
}
.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 13px; }
.brand-logo {
  width: 38px; height: 38px;
  border-radius: 11px;
  display: grid; place-items: center;
  color: #06251d;
  background: linear-gradient(135deg, var(--accent-strong), #17a67d);
  box-shadow: 0 6px 16px rgba(45, 212, 167, 0.35);
}
.brand-logo svg { width: 21px; height: 21px; }
.brand h1 { font-size: 16px; font-weight: 650; margin: 0; letter-spacing: 0.2px; }
.brand .sub { margin: 2px 0 0; font-size: 12px; color: var(--text-faint); }

.topbar-right { display: flex; align-items: center; gap: 10px; }

/* ---------------- 状态徽章 ---------------- */
.badge {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 13px;
  border-radius: 999px;
  font-size: 12.5px; font-weight: 550;
  border: 1px solid transparent;
}
.badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: currentColor;
}
.badge-ok    { color: var(--ok);    background: rgba(52, 211, 153, 0.1);  border-color: rgba(52, 211, 153, 0.28); }
.badge-ok .dot { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5); animation: pulse 2.2s infinite; }
.badge-warn  { color: var(--warn);  background: rgba(251, 191, 36, 0.1);  border-color: rgba(251, 191, 36, 0.28); }
.badge-error { color: var(--danger); background: rgba(248, 113, 113, 0.1); border-color: rgba(248, 113, 113, 0.3); }
.badge-pending { color: var(--text-dim); background: rgba(139, 155, 180, 0.08); border-color: var(--border); }

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.45); }
  70%  { box-shadow: 0 0 0 7px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

/* ---------------- 布局 ---------------- */
.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.panel {
  position: relative;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  overflow: hidden;
  animation: rise 0.35s ease both;
}
.panel::before {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.55;
}
.panel-grow { min-height: 480px; }

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.panel-head h2 { font-size: 15.5px; font-weight: 650; margin: 0; }
.panel-tag {
  font-size: 11.5px; color: var(--text-faint);
  background: rgba(93, 109, 136, 0.12);
  padding: 3px 10px; border-radius: 999px;
}
.panel-tag.on { color: var(--accent); background: var(--accent-soft); }

/* ---------------- 表单 ---------------- */
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 12.5px; font-weight: 550;
  color: var(--text-dim);
  margin-bottom: 7px;
  letter-spacing: 0.3px;
}
input[type="text"], input[type="number"] {
  width: 100%;
  background: #0b1322;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13.5px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  font-family: inherit;
}
input::placeholder { color: var(--text-faint); }
input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(45, 212, 167, 0.15);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hint {
  margin: 6px 0 0;
  font-size: 11.5px; line-height: 1.5;
  color: var(--text-faint);
}

/* 开关 */
.switch-label {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}
.switch-label input { display: none; }
.switch {
  width: 38px; height: 22px;
  background: #1c2940;
  border-radius: 999px;
  position: relative;
  transition: background 0.2s;
  flex: none;
}
.switch::after {
  content: "";
  position: absolute; top: 3px; left: 3px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #8b9bb4;
  transition: transform 0.2s, background 0.2s;
}
.switch-label input:checked + .switch { background: rgba(45, 212, 167, 0.35); }
.switch-label input:checked + .switch::after {
  transform: translateX(16px);
  background: var(--accent-strong);
}
.check-field { align-self: end; margin-bottom: 16px; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13.5px; font-weight: 550;
  padding: 10px 18px;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.15s, background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
}
.btn svg { width: 15px; height: 15px; }
.btn:active { transform: translateY(1px); }

.btn-primary {
  color: #06251d;
  background: linear-gradient(135deg, var(--accent-strong), #1fb98c);
  box-shadow: 0 6px 18px rgba(45, 212, 167, 0.28);
}
.btn-primary:hover { box-shadow: 0 8px 22px rgba(45, 212, 167, 0.42); }

.btn-ghost {
  color: var(--text-dim);
  background: rgba(139, 155, 180, 0.08);
  border-color: var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: #2a3b5c; }

.btn-danger {
  color: var(--danger);
  background: rgba(248, 113, 113, 0.08);
  border-color: rgba(248, 113, 113, 0.3);
}
.btn-danger:hover { background: rgba(248, 113, 113, 0.16); }

.btn-block { width: 100%; }
.btn-sm { padding: 8px 14px; font-size: 12.5px; }
.btn-xs { padding: 3px 10px; font-size: 11.5px; border-radius: 6px; }
.btn-icon { padding: 8px; }
.btn-icon svg { width: 17px; height: 17px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; box-shadow: none; }

/* 保存 / 应用按钮组 */
.btn-stack { display: grid; gap: 9px; }
.btn-apply {
  color: var(--warn);
  background: rgba(251, 191, 36, 0.08);
  border-color: rgba(251, 191, 36, 0.32);
  animation: glowWarn 2s ease infinite;
}
.btn-apply:hover { background: rgba(251, 191, 36, 0.16); }
@keyframes glowWarn {
  0%, 100% { box-shadow: 0 0 0 0 rgba(251, 191, 36, 0); }
  50%      { box-shadow: 0 0 14px 0 rgba(251, 191, 36, 0.25); }
}
.dot-pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--warn);
  display: inline-block;
  animation: pulse 2s infinite;
}
.dirty-hint {
  color: #fcd34d;
  margin-top: 10px;
  padding: 8px 11px;
  border-radius: 8px;
  background: rgba(251, 191, 36, 0.07);
  border: 1px dashed rgba(251, 191, 36, 0.3);
}

/* 分段选择器 */
.seg {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  background: #0b1322;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
}
.seg-btn {
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 550;
  padding: 8px 0;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.seg-btn.on {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

/* ---------------- 分隔 / 公钥 / 元信息 ---------------- */
.divider { height: 1px; background: var(--border-soft); margin: 20px 0; }

.key-block {
  background: #0b1322;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}
.key-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.key-label { font-size: 11.5px; color: var(--text-faint); letter-spacing: 0.5px; }
.key-text {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.55;
  color: var(--accent);
  word-break: break-all;
  user-select: all;
}

.meta-list { margin-top: 16px; display: grid; gap: 9px; }
.meta-item {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12.5px;
  padding: 8px 12px;
  background: rgba(139, 155, 180, 0.05);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
}
.meta-item span { color: var(--text-dim); }
.meta-item b { font-weight: 550; font-family: var(--mono); font-size: 12px; }

.danger-zone { margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--border-soft); }

/* ---------------- 警告条 ---------------- */
.alert {
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  font-size: 12.5px; line-height: 1.65;
  margin-bottom: 18px;
}
.alert code {
  font-family: var(--mono); font-size: 11.5px;
  background: rgba(0, 0, 0, 0.3);
  padding: 1px 6px; border-radius: 4px;
}
.alert-warn {
  color: #fcd34d;
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.25);
}
.hidden { display: none !important; }

/* ---------------- 客户端列表 ---------------- */
.peer-list { display: grid; gap: 12px; }

.peer-card {
  display: flex; align-items: center; gap: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.025), transparent);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 13px 16px;
  transition: border-color 0.15s, transform 0.15s, background 0.15s;
  animation: rise 0.3s ease both;
}
.peer-card:hover { border-color: #2b3e63; background: rgba(45, 212, 167, 0.03); }

.peer-avatar {
  width: 40px; height: 40px; flex: none;
  border-radius: 11px;
  display: grid; place-items: center;
  font-size: 16px; font-weight: 650;
  color: #06251d;
  background: linear-gradient(135deg, #4ddbc0, #1e9d78);
}
.peer-avatar.off { background: linear-gradient(135deg, #4b5a75, #2c3a52); color: #c8d3e4; }

.peer-info { flex: 1; min-width: 0; }
.peer-name {
  font-size: 14px; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.route-tag {
  font-size: 10.5px;
  font-weight: 550;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(45, 212, 167, 0.25);
  padding: 1px 7px;
  border-radius: 999px;
  line-height: 1.5;
}
.peer-meta {
  margin-top: 3px;
  font-size: 12px; color: var(--text-dim);
  display: flex; flex-wrap: wrap; gap: 4px 14px;
}
.peer-meta b { font-family: var(--mono); font-weight: 500; color: var(--text); }
.peer-state { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; }
.peer-state .sdot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.s-on  { color: var(--ok); }
.s-on  .sdot { background: var(--ok); box-shadow: 0 0 0 0 rgba(52,211,153,0.5); animation: pulse 2.2s infinite; }
.s-off { color: var(--text-faint); }
.s-off .sdot { background: #46546e; }

.peer-actions { display: flex; gap: 6px; flex: none; }
.peer-actions .btn {
  padding: 7px 9px;
  font-size: 0;
  border-radius: 8px;
}
.peer-actions .btn svg { width: 15px; height: 15px; }
.btn-act { color: var(--text-dim); background: rgba(139,155,180,0.07); border-color: var(--border); }
.btn-act:hover { color: var(--accent); border-color: rgba(45,212,167,0.4); }
.btn-del:hover { color: var(--danger); border-color: rgba(248,113,113,0.4); }

/* 空状态 */
.empty {
  text-align: center;
  padding: 64px 20px;
  color: var(--text-faint);
}
.empty-icon {
  width: 68px; height: 68px;
  margin: 0 auto 16px;
  border-radius: 20px;
  display: grid; place-items: center;
  color: #3d4f6e;
  background: rgba(139, 155, 180, 0.06);
  border: 1px dashed var(--border);
}
.empty-icon svg { width: 30px; height: 30px; }
.empty p { margin: 4px 0; font-size: 14px; color: var(--text-dim); }
.empty .empty-sub { font-size: 12px; color: var(--text-faint); }

/* ---------------- 部署向导 ---------------- */
.deploy-desc { margin: -6px 0 16px; }
.deploy-desc code, .deploy-status code {
  font-family: var(--mono);
  font-size: 11.5px;
  background: rgba(0, 0, 0, 0.3);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--accent);
}
.deploy-status { display: grid; gap: 9px; }
.btn-row { display: flex; gap: 8px; margin-top: 4px; }
.btn-row .btn { flex: 1; }

/* ---------------- 弹窗 ---------------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(4, 8, 14, 0.72);
  backdrop-filter: blur(6px);
  display: grid; place-items: center;
  padding: 20px;
  animation: fade 0.18s ease;
}
.modal-mask[hidden] { display: none !important; }
@keyframes fade { from { opacity: 0; } }

.modal {
  width: 100%; max-width: 420px;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  animation: pop 0.22s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}
.modal-lg { max-width: 720px; }
@keyframes pop {
  from { opacity: 0; transform: scale(0.94) translateY(8px); }
}

.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.modal-head h3 { margin: 0; font-size: 15.5px; font-weight: 650; }
.modal-close {
  background: none; border: none; cursor: pointer;
  color: var(--text-faint);
  padding: 6px; border-radius: 8px;
  display: grid; place-items: center;
}
.modal-close:hover { color: var(--text); background: rgba(139,155,180,0.1); }
.modal-close svg { width: 16px; height: 16px; }
.modal-foot {
  display: flex; justify-content: flex-end; gap: 10px;
  margin-top: 20px;
}

.detail-body {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 22px;
}
.qr-wrap { text-align: center; }
.qr-box {
  background: #fff;
  border-radius: 14px;
  padding: 14px;
  display: inline-block;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.08);
}
.qr-box img { display: block; width: 228px; height: 228px; }
.cfg-wrap { min-width: 0; display: flex; flex-direction: column; }
.cfg-text {
  flex: 1;
  margin: 0;
  background: #0b1322;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.6;
  color: #a8f3dd;
  overflow: auto;
  max-height: 380px;
  white-space: pre;
  user-select: all;
}
.cfg-wrap .modal-foot { margin-top: 14px; }

/* ---------------- Toast ---------------- */
.toast-box {
  position: fixed;
  bottom: 26px; left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  pointer-events: none;
}
.toast {
  background: #16223a;
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 13px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  animation: rise 0.25s ease both;
  max-width: 480px;
}
.toast.err { border-left-color: var(--danger); }
.toast.ok  { border-left-color: var(--ok); }

/* ---------------- 搜索框 ---------------- */
.peer-search {
  position: relative;
  margin-bottom: 16px;
}
.peer-search .search-icon {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  width: 15px; height: 15px;
  color: var(--text-faint);
  pointer-events: none;
}
.peer-search input {
  padding-left: 36px;
}

/* ---------------- 认证状态 ---------------- */
.auth-status {
  display: flex; align-items: center; gap: 10px;
}
.auth-badge {
  font-size: 11.5px; font-weight: 550;
  padding: 3px 10px; border-radius: 999px;
}
.auth-badge.on {
  color: var(--ok);
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.28);
}
.auth-badge.off {
  color: var(--text-faint);
  background: rgba(93, 109, 136, 0.12);
  border: 1px solid var(--border);
}

/* 小弹窗 */
.modal-sm { max-width: 360px; }

/* ---------------- 停用客户端样式 ---------------- */
.peer-card.disabled {
  opacity: 0.5;
}
.peer-card.disabled .peer-avatar {
  background: linear-gradient(135deg, #4b5a75, #2c3a52);
  color: #c8d3e4;
}
.disabled-tag {
  font-size: 10.5px;
  font-weight: 550;
  color: var(--warn);
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.25);
  padding: 1px 7px;
  border-radius: 999px;
  line-height: 1.5;
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 920px) {
  .layout { grid-template-columns: 1fr; }
  .detail-body { grid-template-columns: 1fr; }
  .qr-box img { width: 200px; height: 200px; }
  .qr-wrap { text-align: center; }
}
@media (max-width: 560px) {
  .topbar-inner { padding: 0 14px; }
  .layout { padding: 14px; }
  .field-row { grid-template-columns: 1fr; }
  .peer-card { flex-wrap: wrap; }
  .peer-actions { width: 100%; justify-content: flex-end; }
}