/* Page-specific styles for tools2.html. */
:root {
  /* 主色调优化：更专业的绿色 */
  --primary: #558b2f; /* 深橄榄绿 */
  --primary-light: #8bc34a; /* 鲜亮绿色 */
  --primary-gradient: linear-gradient(135deg, #6a994e 0%, #8bc34a 100%);

  /* 背景色系 */
  --background: #f5f7fa; /* 柔和灰蓝背景 */
  --card-bg: #ffffff; /* 卡片背景 */
  --input-bg: #ffffff; /* 输入框背景 */
  --input-focus-bg: #f0f9f0; /* 聚焦背景 */

  /* 边框与分割线 */
  --border: #e0e6ed; /* 柔和边框 */
  --divider: #eaeef3; /* 分割线 */

  /* 文字颜色 */
  --text-primary: #2d3748; /* 主要文字 */
  --text-secondary: #4a5568; /* 次要文字 */
  --text-light: #718096; /* 轻量文字 */

  /* 阴影效果 */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 2px 6px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.12);

  /* 响应式基础尺寸 - 紧凑版 */
  --base-spacing: 1rem;
  --container-padding: 1.2rem;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: calc(var(--base-spacing) * 1.2) calc(var(--base-spacing) * 0.5);
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

.container {
  max-width: 680px;
  margin: 0 auto;
  width: 100%;
}

.app-card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: var(--container-padding);
  box-shadow: var(--shadow-lg);
  background: #ffffff;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
}

.app-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--primary-gradient);
  border-radius: 12px 12px 0 0;
}

h1 {
  text-align: center;
  color: var(--primary);
  margin-bottom: calc(var(--base-spacing) * 1);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  position: relative;
}

h1::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--primary-gradient);
  border-radius: 2px;
}

.header-description {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: calc(var(--base-spacing) * 1.2);
  font-size: 0.85rem;
  max-width: 100%;
  line-height: 1.6;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: calc(var(--base-spacing) * 0.8);
  padding: 6px 12px;
  background: #f1f5f9;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
  box-shadow: var(--shadow-sm);
}

.back-btn:hover {
  background: #e2e8f0;
  color: var(--primary);
}

.input-section {
  background: var(--card-bg);
  border-radius: 10px;
  padding: calc(var(--base-spacing) * 1.2);
  margin-bottom: calc(var(--base-spacing) * 1.2);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: calc(var(--base-spacing) * 0.8);
  color: var(--primary);
  font-size: 1.05rem;
  font-weight: 600;
}

.input-group {
  margin: calc(var(--base-spacing) * 0.9) 0;
  position: relative;
}

label {
  display: block;
  margin-bottom: calc(var(--base-spacing) * 0.3);
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 5px;
}

label i {
  color: var(--primary);
  font-size: 0.75rem;
}

.input-container {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 0.8rem;
}

input,
select {
  width: 100%;
  padding: calc(var(--base-spacing) * 0.6) calc(var(--base-spacing) * 0.8)
    calc(var(--base-spacing) * 0.6) calc(var(--base-spacing) * 1.8);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  background: var(--input-bg);
  transition: all 0.2s;
  color: var(--text-primary);
  font-family: inherit;
  height: 40px;
}

input:focus,
select:focus {
  background: var(--input-focus-bg);
  border-color: var(--primary-light);
  box-shadow: 0 0 0 2px rgba(106, 153, 78, 0.15);
  outline: none;
}

.input-hint {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: calc(var(--base-spacing) * 0.2);
  padding-left: calc(var(--base-spacing) * 1.3);
  display: flex;
  align-items: center;
  gap: 5px;
}

.input-hint i {
  color: var(--text-light);
}

button {
  width: 100%;
  padding: calc(var(--base-spacing) * 0.7) calc(var(--base-spacing) * 0.8);
  background: var(--primary-gradient);
  color: white;
  border: none;
  border-radius: 8px;
  margin-top: calc(var(--base-spacing) * 0.4);
  transition: all 0.2s;
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 2px 6px rgba(106, 153, 78, 0.2);
  height: 42px;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(106, 153, 78, 0.25);
}

button:active {
  transform: translateY(0);
}

#result {
  margin-top: calc(var(--base-spacing) * 1);
  background: var(--card-bg);
  border-radius: 10px;
  padding: 0;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid var(--border);
}

.result-header {
  background: linear-gradient(to right, var(--primary), var(--primary-light));
  color: white;
  padding: calc(var(--base-spacing) * 0.8) calc(var(--base-spacing) * 1);
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.result-item {
  padding: calc(var(--base-spacing) * 0.8) calc(var(--base-spacing) * 1);
  border-bottom: 1px solid var(--divider);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.result-icon {
  background: var(--primary-light);
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  font-size: 0.85rem;
}

.result-content {
  flex: 1;
}

.result-content strong {
  display: block;
  margin-bottom: calc(var(--base-spacing) * 0.1);
  color: var(--primary);
  font-size: 0.9rem;
}

.result-item:last-child {
  border-bottom: none;
}

.error-box {
  background: linear-gradient(to right, #fff0f0, #ffe6e6);
  color: #e53e3e;
  padding: calc(var(--base-spacing) * 0.8) calc(var(--base-spacing) * 1);
  border-left: 3px solid #e53e3e;
  margin-top: calc(var(--base-spacing) * 0.8);
  border-radius: 0 6px 6px 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.error-icon {
  background: #e53e3e;
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  font-size: 0.8rem;
}

.system-info {
  text-align: center;
  margin-top: calc(var(--base-spacing) * 1.2);
  color: var(--text-light);
  font-size: 0.75rem;
  padding: 0 calc(var(--base-spacing) * 0.3);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
}

.info-badge {
  display: inline-block;
  background: #edf2f7;
  color: var(--text-secondary);
  padding: 3px 8px;
  border-radius: 16px;
  font-size: 0.75rem;
  margin-top: calc(var(--base-spacing) * 0.3);
}

.history-section {
  margin-top: calc(var(--base-spacing) * 1);
  background: var(--card-bg);
  border-radius: 10px;
  padding: calc(var(--base-spacing) * 0.8);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  display: none;
}

.history-section.active {
  display: block;
}

.history-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: calc(var(--base-spacing) * 0.5);
}

.history-list {
  max-height: 200px;
  overflow-y: auto;
}

.history-item {
  padding: 10px;
  border-bottom: 1px solid var(--divider);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.history-item:hover {
  background: #f0f9f0;
  transform: translateX(5px);
}

.history-item:last-child {
  border-bottom: none;
}

.history-details {
  flex: 1;
}

.history-dimensions {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.history-result {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 500;
}

.clear-history {
  background: #f1f5f9;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.clear-history:hover {
  background: #e2e8f0;
  color: #e53e3e;
}

/* 移动设备专用优化 */
@media (max-width: 480px) {
  .input-group {
    margin: calc(var(--base-spacing) * 0.8) 0;
  }

  input,
  select {
    font-size: 0.85rem;
    padding-left: calc(var(--base-spacing) * 1.6);
    height: 38px;
  }

  .result-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .result-icon {
    margin: 0 auto 6px;
    width: 26px;
    height: 26px;
  }

  .history-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }
}