/**
 * Giffgaff eSIM 工具 - 基础样式
 * 包含：CSS变量、基础布局、容器样式
 */

:root {
    --primary: #ffcc00;
    --secondary: #ffffff;
    --success: #4cc9f0;
    --warning: #f72585;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    
    /* 服务时间样式变量 */
    --st-gap: 20px;
    --st-radius: 16px;
    --st-card-radius: 18px;
    --st-card-shadow: 0 8px 28px rgba(20, 20, 43, 0.12);
    --st-soft-shadow: 0 2px 8px rgba(0,0,0,0.08);
    --st-border: 1px solid rgba(0,0,0,0.06);
    --st-muted: #64748b;
    --st-strong: #0f172a;
    --st-accent: #6366f1;
}

body {
    background: linear-gradient(135deg, #fff7e6 0%, #ffefcc 40%, #ffe8b3 100%);
    color: #212529;
    min-height: 100vh;
    padding: 20px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

/* 全局焦点样式 */
:focus-visible {
    outline: 2px solid #4c9aff;
    outline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
input:focus-visible,
textarea:focus-visible {
    box-shadow: 0 0 0 3px rgba(76,154,255,0.35);
}

/* 表单元素 */
textarea, input {
    width: 100%;
    padding: 16px 18px;
    border-radius: 12px;
    border: 2px solid rgba(255, 204, 0, 0.3);
    background: rgba(255, 255, 255, 0.9);
    color: #212529;
    font-size: 16px;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

textarea:focus, input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(255, 204, 0, 0.2);
    background: rgba(255, 255, 255, 1);
}

/* 卡片样式 */
.card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 16px;
    border: 1px solid rgba(255, 204, 0, 0.3);
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 204, 0, 0.5);
}

.card-header {
    background: rgba(255, 204, 0, 0.1);
    padding: 20px 25px;
    font-size: 22px;
    font-weight: 600;
    color: #212529;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 204, 0, 0.2);
}

.card-header i {
    margin-right: 12px;
    font-size: 28px;
    color: #ffcc00;
}

.card-body {
    padding: 30px;
}

/* 状态面板 */
.status-panel {
    background: linear-gradient(135deg, #fffff0 0%, #fffbe4 90%);
    border: 1px solid #dee2e6;
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.status-panel h3 {
    color: #495057;
    margin-bottom: 15px;
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}