:root{
  --bg:#0b0c10;
  --panel:#15171c;
  --text:#ffffff;
  --muted:#b0b8c1;
  --ok:#16a34a;
  --warn:#f59e0b;
  --danger:#ef4444;
  --border:#2a2f3a;
  --input-bg:#1a1d26;
  --button-bg:#2d3748;
  --button-hover:#374151;
  --tag-bg:#2d3748;
  --tag-text:#e2e8f0;
  --renewal-bg:#1e293b;
  --renewal-text:#e2e8f0;
}

*{box-sizing:border-box}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
  line-height:1.6;
}

header{
  padding:16px 24px;
  border-bottom:1px solid var(--border);
  background:var(--panel);
}

main{
  padding:24px;
  display:grid;
  gap:16px;
}

.panel{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:10px;
  padding:16px;
}

form.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:12px;
  align-items:end;
}

form.row{
  display:flex;
  gap:8px;
  align-items:center;
}

label{
  display:grid;
  gap:6px;
  font-size:14px;
  color:var(--text);
  font-weight:500;
}

input,select,button{
  padding:10px 12px;
  border-radius:8px;
  border:1px solid var(--border);
  background:var(--input-bg);
  color:var(--text);
  font-size:14px;
}

input:focus,select:focus,button:focus{
  outline:none;
  border-color:var(--ok);
  box-shadow:0 0 0 2px rgba(22,163,74,0.2);
}

button{
  cursor:pointer;
  background:var(--button-bg);
  color:var(--text);
  font-weight:500;
  transition:all 0.2s ease;
}

button:hover{
  background:var(--button-hover);
  transform:translateY(-1px);
}

button.danger{
  background:#dc2626;
  border-color:#dc2626;
  color:#ffffff;
}

button.danger:hover{
  background:#b91c1c;
}

button.copied{
  background:var(--ok);
  border-color:var(--ok);
  color:#ffffff;
}

/* 操作按钮容器 */
.actions-cell {
  text-align: left;
  vertical-align: top;
}

/* 统一操作按钮大小 - 使用新的类名 */
.action-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 70px !important;
  height: 32px !important;
  padding: 0 8px !important;
  font-size: 13px !important;
  text-align: center !important;
  white-space: nowrap !important;
  margin: 2px !important;
  border-radius: 6px !important;
  border: 1px solid var(--border) !important;
  box-sizing: border-box !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  background: var(--button-bg) !important;
  color: var(--text) !important;
  text-decoration: none !important;
  line-height: 1 !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  vertical-align: middle !important;
}

.action-btn:hover {
  background: var(--button-hover) !important;
  transform: translateY(-1px) !important;
}

/* 删除按钮特殊样式 */
.action-btn.danger {
  background: var(--danger) !important;
  border-color: var(--danger) !important;
  color: #ffffff !important;
}

.action-btn.danger:hover {
  background: #b91c1c !important;
}

/* 保持向后兼容 */
td .inline button,
td .inline input[type="submit"] {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 70px !important;
  height: 32px !important;
  padding: 0 8px !important;
  font-size: 13px !important;
  text-align: center !important;
  white-space: nowrap !important;
  margin: 2px !important;
  border-radius: 6px !important;
  border: 1px solid var(--border) !important;
  box-sizing: border-box !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  line-height: 1 !important;
  vertical-align: middle !important;
}

/* 特殊按钮样式 */
td .inline button.danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #ffffff;
}

td .inline button.danger:hover {
  background: #b91c1c;
}

table{
  width:100%;
  border-collapse:collapse;
  font-size:14px;
  background:var(--panel);
  border-radius:8px;
  overflow:hidden;
}

th,td{
  border-top:1px solid var(--border);
  padding:12px 10px;
  text-align:left;
}

th{
  background:var(--input-bg);
  color:var(--text);
  font-weight:600;
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:0.5px;
}

td{
  color:var(--text);
  vertical-align:top;
}

code{
  background:var(--input-bg);
  padding:4px 8px;
  border-radius:6px;
  color:var(--text);
  font-family:monospace;
  font-size:13px;
}

.inline{
  display:inline;
}

.tag{
  padding:4px 8px;
  border-radius:6px;
  font-size:12px;
  background:var(--tag-bg);
  color:var(--tag-text);
  text-decoration:none;
  display:inline-block;
  margin:2px;
  transition:all 0.2s ease;
}

.tag:hover{
  background:var(--button-hover);
  transform:translateY(-1px);
}

.tag.ok{
  background:var(--ok);
  color:#ffffff;
}

.tag.warn{
  background:var(--warn);
  color:#000000;
}

.hint{
  color:var(--muted);
  font-size:13px;
  line-height:1.5;
}

/* 续期信息样式 */
.renewal-info{
  background:var(--renewal-bg);
  border:1px solid var(--border);
  border-radius:6px;
  padding:8px 12px;
  margin:4px 0;
}

.renewal-info div{
  color:var(--renewal-text);
  font-size:13px;
  margin:2px 0;
}

.renewal-info details{
  margin-top:8px;
}

.renewal-info summary{
  color:var(--text);
  font-weight:500;
  cursor:pointer;
  padding:4px 0;
}

.renewal-info pre{
  background:var(--input-bg);
  border:1px solid var(--border);
  border-radius:4px;
  padding:8px;
  margin:4px 0;
  color:var(--text);
  font-size:12px;
  line-height:1.4;
  max-height:200px;
  overflow-y:auto;
  white-space:pre-wrap;
  word-break:break-word;
}

.renewal-history{
  background:var(--input-bg);
  border:1px solid var(--border);
  border-radius:4px;
  padding:12px;
  margin:4px 0;
  color:var(--text);
  font-size:13px;
  line-height:1.5;
  max-height:none;
  overflow:visible;
  white-space:pre-wrap;
  word-break:break-word;
  font-family:monospace;
  background:var(--renewal-bg);
}

/* 状态标签样式 */
.status-valid{
  color:var(--ok);
  font-weight:500;
}

.status-revoked{
  color:var(--danger);
  font-weight:500;
}

.status-expired{
  color:var(--warn);
  font-weight:500;
}

/* 续期弹窗样式 */
.modal{
  display:none;
  position:fixed;
  z-index:1000;
  left:0;
  top:0;
  width:100%;
  height:100%;
  background-color:rgba(0,0,0,0.7);
  backdrop-filter:blur(4px);
}

.modal-content{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:12px;
  padding:24px;
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  width:90%;
  max-width:500px;
  box-shadow:0 20px 40px rgba(0,0,0,0.3);
}

.close{
  position:absolute;
  right:20px;
  top:20px;
  font-size:28px;
  font-weight:bold;
  color:var(--muted);
  cursor:pointer;
  transition:color 0.2s ease;
}

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

.modal h3{
  color:var(--text);
  margin:0 0 20px 0;
  font-size:20px;
  font-weight:600;
}

.form-group{
  margin-bottom:16px;
}

.form-group label{
  display:block;
  margin-bottom:6px;
  color:var(--text);
  font-weight:500;
}

.form-group input,
.form-group select{
  width:100%;
  padding:12px;
  border:1px solid var(--border);
  border-radius:8px;
  background:var(--input-bg);
  color:var(--text);
  font-size:14px;
}

.form-group input:focus,
.form-group select:focus{
  outline:none;
  border-color:var(--ok);
  box-shadow:0 0 0 2px rgba(22,163,74,0.2);
}

.form-actions{
  display:flex;
  gap:12px;
  justify-content:flex-end;
  margin-top:24px;
}

.form-actions button{
  padding:10px 20px;
  border-radius:8px;
  font-size:14px;
  font-weight:500;
  cursor:pointer;
  transition:all 0.2s ease;
}

.form-actions button[type="submit"]{
  background:var(--ok);
  border:1px solid var(--ok);
  color:#ffffff;
}

.form-actions button[type="submit"]:hover{
  background:#15803d;
  transform:translateY(-1px);
}

.form-actions button[type="button"]{
  background:var(--danger);
  border:1px solid var(--danger);
  color:#ffffff;
}

.form-actions button[type="button"]:hover{
  background:#dc2626;
  transform:translateY(-1px);
}

/* 续期历史页面样式 */
.activation-info{
  margin-bottom:20px;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:8px;
  padding:16px;
}

.info-table{
  width:100%;
  border-collapse:collapse;
  margin-top:15px;
}

.info-table td{
  padding:12px;
  border-bottom:1px solid var(--border);
  color:var(--text);
}

.info-table td:first-child{
  font-weight:600;
  width:140px;
  background:var(--input-bg);
  color:var(--muted);
}

.history-table{
  width:100%;
  border-collapse:collapse;
  margin-top:15px;
  background:var(--panel);
  border-radius:8px;
  overflow:hidden;
}

.history-table th,
.history-table td{
  padding:12px;
  text-align:left;
  border-bottom:1px solid var(--border);
  color:var(--text);
}

.history-table th{
  background:var(--input-bg);
  color:var(--text);
  font-weight:600;
  font-size:13px;
  text-transform:uppercase;
  letter-spacing:0.5px;
}

.history-table tr:hover{
  background:var(--input-bg);
}

.actions{
  text-align:center;
  margin:20px 0;
}

.button{
  display:inline-block;
  padding:10px 20px;
  margin:0 10px;
  text-decoration:none;
  border:none;
  border-radius:8px;
  cursor:pointer;
  font-size:14px;
  font-weight:500;
  transition:all 0.2s ease;
  background:var(--button-bg);
  color:var(--text);
}

.button:hover{
  background:var(--button-hover);
  transform:translateY(-1px);
}

.button.primary{
  background:var(--ok);
  color:#ffffff;
}

.button.primary:hover{
  background:#15803d;
}

.lic-code{
  background:var(--input-bg);
  padding:4px 8px;
  border-radius:6px;
  font-family:monospace;
  font-size:13px;
  color:var(--text);
  border:1px solid var(--border);
}

/* 日期选择器样式 */
input[type="datetime-local"] {
  position: relative;
  cursor: pointer;
}

input[type="datetime-local"]::-webkit-calendar-picker-indicator {
  filter: invert(1);
  cursor: pointer;
  opacity: 0.7;
}

input[type="datetime-local"]::-webkit-calendar-picker-indicator:hover {
  opacity: 1;
}