/* =========================================================
   登录模块样式（login.css）
   风格与系统政务蓝主题统一：#0A84FF → #0A5BC4 → #0B3FA0
   独立模块：仅登录页使用，不影响系统其它页面。
   ========================================================= */
:root {
    --gov-blue: #0A84FF;
    --gov-blue-deep: #0A5BC4;
    --gov-blue-deeper: #0B3FA0;
    --gov-blue-soft: #E8F1FF;
    --ink: #16203A;
    --ink-2: #46506A;
    --ink-3: #8A93A6;
    --line: #E8ECF3;
    --bg: #F4F6FA;
    --card: #FFFFFF;
    --radius: 16px;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, .04), 0 4px 16px rgba(16, 24, 40, .05);
    --shadow-lg: 0 12px 40px rgba(10, 91, 196, .18);
}

* { box-sizing: border-box; }
html, body { height: 100%; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
        "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    background:
        radial-gradient(1200px 600px at 50% -10%, rgba(10, 132, 255, .12), transparent 60%),
        var(--bg);
    -webkit-font-smoothing: antialiased;
}

.login-wrap {
    min-height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px calc(24px + env(safe-area-inset-bottom));
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

/* ===== 顶部品牌区（与系统顶部栏同款渐变） ===== */
.login-hero {
    background: linear-gradient(135deg, var(--gov-blue) 0%, var(--gov-blue-deep) 60%, var(--gov-blue-deeper) 100%);
    color: #fff;
    padding: 32px 24px 28px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.login-hero::after {
    content: "";
    position: absolute;
    right: -40px;
    top: -50px;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(255, 255, 255, .18), transparent 70%);
    border-radius: 50%;
}
.login-badge {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(255, 255, 255, .18);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
}
.login-badge svg { width: 30px; height: 30px; stroke: #fff; }
.login-hero h1 {
    font-size: 19px;
    font-weight: 700;
    margin: 0;
    letter-spacing: .3px;
    position: relative;
    z-index: 1;
}
.login-hero p {
    font-size: 12.5px;
    opacity: .85;
    margin: 6px 0 0;
    position: relative;
    z-index: 1;
}

/* ===== 表单区 ===== */
.login-body { padding: 24px 22px 22px; }

.field { margin-bottom: 14px; }
.field-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink-2);
    margin-bottom: 8px;
}
.field-control {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0 14px;
    height: 50px;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.field-control:focus-within {
    border-color: var(--gov-blue);
    box-shadow: 0 0 0 3px rgba(10, 132, 255, .12);
}
.field-control .ico {
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    color: var(--ink-3);
}
.field-control input {
    flex: 1;
    border: 0;
    outline: 0;
    background: transparent;
    font-size: 15px;
    color: var(--ink);
    height: 100%;
}
.field-control input::placeholder { color: var(--ink-3); }

.btn-login {
    width: 100%;
    height: 50px;
    margin-top: 6px;
    border: 0;
    border-radius: 12px;
    cursor: pointer;
    background: linear-gradient(135deg, var(--gov-blue), var(--gov-blue-deep));
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 2px;
    box-shadow: 0 6px 18px rgba(10, 91, 196, .28);
    transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
}
.btn-login:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(10, 91, 196, .34); }
.btn-login:active { transform: translateY(0); }
.btn-login:focus-visible { outline: 2px solid var(--gov-blue-deeper); outline-offset: 2px; }

.login-hint {
    margin: 14px 2px 0;
    font-size: 12px;
    color: var(--ink-3);
    text-align: center;
    line-height: 1.5;
}
.login-foot {
    text-align: center;
    font-size: 11.5px;
    color: var(--ink-3);
    padding: 14px 16px calc(16px + env(safe-area-inset-bottom));
}

/* 桌面端：卡片两侧留白更舒适 */
@media (min-width: 480px) {
    .login-card { max-width: 420px; }
}