/* ============================================================
   登录弹层（打卡页与学校列表页共用）
   依赖 theme.css 的变量与 .mask / .sheet / .btn 等基础类
   ============================================================ */
.modal {
    /* 复用 theme.css 的 .sheet 视觉，这里只做宽度收敛 */
    width: 380px;
}

.modal-header {
    padding: 24px 24px 18px;
    text-align: left;
    border-bottom: 1px solid var(--c-line-soft);
}

.modal-header .eyebrow {
    margin-bottom: 6px;
}

.modal-header h2 {
    font-size: 20px;
    letter-spacing: 1px;
}

.modal-header p {
    margin-top: 4px;
    font-size: 13px;
    color: var(--c-ink-3);
}

.modal-body {
    padding: 22px 24px 24px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    font-family: var(--font-serif);
    font-size: 11px;
    letter-spacing: 1.6px;
    text-transform: uppercase;
    color: var(--c-ink-3);
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    height: 42px;
    padding: 0 13px;
    font-family: inherit;
    font-size: 15px;
    color: var(--c-ink);
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--r-md);
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input:focus {
    border-color: var(--c-brand);
    box-shadow: 0 0 0 3px var(--c-brand-soft);
}

/* 记住密码：整行可点的复选框 */
.remember-row {
    display: flex;
    align-items: center;
    gap: 7px;
    margin: -4px 0 13px;
    font-size: 13px;
    color: var(--c-ink-3);
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
}

.remember-row input[type="checkbox"] {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    accent-color: var(--c-brand);
    cursor: pointer;
}

.submit-btn {
    width: 100%;
    height: 44px;
    margin-top: 4px;
    border: 1px solid var(--c-brand);
    border-radius: var(--r-md);
    font-family: inherit;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 3px;
    color: #fff;
    background: var(--c-brand);
    cursor: pointer;
    transition: background 0.15s, opacity 0.15s;
}

.submit-btn:hover {
    background: var(--c-brand-deep);
    border-color: var(--c-brand-deep);
}

.submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.modal-tip {
    margin-top: 12px;
    min-height: 18px;
    font-size: 13px;
    letter-spacing: 0.4px;
    color: var(--c-ink-3);
}

.modal-tip.success {
    color: var(--c-go);
}

.modal-tip.error {
    color: var(--c-stop);
}

/* ---------- 窄屏：弹层内边距收窄 ---------- */
@media screen and (max-width: 600px) {
    .modal-header,
    .modal-body {
        padding-left: 18px;
        padding-right: 18px;
    }
}