:root {
  --success: #43a047;
  --error: #e53935;
  --primary: #1976d2;
  --log-text: #b9f6ca;
  --gary: #f7f7f7;
}

* {
  box-sizing: border-box;
  margin: 0;
  border-radius: 0;
  user-select: none;
}

html,
body,
.container {
  width: 100%;
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--gary);
  margin: 0;
  padding: 0;
  overflow: auto;
  display: flex;
  justify-content: space-around
}

.container {
  width: 480px;
  flex-shrink: 0;
  margin: 20px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08), 0 1.5px 4px rgba(0, 0, 0, 0.04);
  padding: 32px 36px 28px 36px;
  display: flex;
  flex-direction: column;
  height: calc(100vh - 40px);
}


h2 {
  text-align: center;
  color: var(--primary);
  margin-bottom: 32px;
  font-size: 2.3rem;
  font-weight: 700;
}

label {
  display: block;
  margin-bottom: 12px;
  color: #333;
  font-size: 1rem;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 4px 8px;
  border-radius: 8px;
  font-size: 16px;
  box-sizing: border-box;
  transition: border 0.2s;
  height: 40px;
  background: #fafbfc;
  border: 1.5px solid #e0e0e0;
}


button {
  width: 100%;
  padding: 14px 0;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1.15rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  box-shadow: 0 2px 8px rgba(25, 118, 210, 0.08);
}

.firmware {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  gap: 16px;
}


button:disabled {
  background: #b0b0b0;
  cursor: not-allowed;
}



#provisionBtn {
  height: 46px;
}

#provisionBtn div {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.log {
  background: #222;
  color: var(--log-text);
  /* 等宽字体 */
  font-family: monospace;
  font-size: 15px;
  border-radius: 8px;
  padding: 16px;
  overflow-y: auto;
  min-height: 80px;
  margin-top: 18px;
  white-space: pre-wrap;
  flex: 1;
  user-select: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.log * {
  user-select: all;
}


.tip {
  color: #888;
  text-align: center;
  margin-top: 16px;
}

.form {
  display: flex;
  flex-direction: column;
  margin-top: 16px;
}

.form-row {
  display: flex;
  gap: 24px;
  align-items: flex-end;
}


/* 表单校验样式 */

.form-control {
  flex: 1;
  font-size: 1.05rem;
  height: 90px;
}

.form-control input {
  outline: 2px solid #ccc;
  border: 0;
}

.form-tip {
  margin-top: 4px;
}

.form-control .form-tip {
  visibility: hidden;
}

.form-control.error .form-tip {
  visibility: visible;
}


.form-control label {
  margin-bottom: 12px;
  color: #333;
  font-size: 1rem;
}


.form-control.success label,
.form-control.success .form-tip {
  color: var(--success);
}

.form-control.error label,
.form-control.error .form-tip {
  color: var(--error);
}

.form-control.success label::after {
  content: "✅";
  display: inline-block;
  margin-left: 1em;
}

.form-control.error label::after {
  content: "❌";
  display: inline-block;
  margin-left: 1em;
}



.form-control.success input {
  outline: 2px solid var(--success);
  background-color: color-mix(in oklch, var(--success), transparent 90%);
}


.form-control.error input {
  outline: 2px solid var(--error);
  background-color: color-mix(in oklch, var(--error), transparent 90%);
}

.qr-container {
  width: 100%;
  display: flex;
  justify-content: center;
  margin: 20px 0;
}


.pc-qr-code {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-direction: column;
  gap: 16px;
}

.pc-qr-code div {
  color: var(--primary);
  font-size: 25px;
}



/* 媒体查询：600px 以下屏幕 */
@media (max-width: 600px) {
  body {
    overflow: hidden;
  }

  .container {
    width: 100%;
    margin: 0 !important;
    padding: 20px;
    box-shadow: none;
    border-radius: 0;
    height: auto;
  }

  .pc-qr-code,
  .flash-tool {
    display: none;
  }

}