body {
    background: #f0f2f5;
    font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
}

/* ── 打卡页面 ── */
.clock-header {
    text-align: center;
    padding: 1.5rem 0;
}
.clock-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #1a1a2e;
}
.clock-header .datetime {
    font-size: 1.2rem;
    color: #666;
}

.employee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
    padding: 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.employee-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 120px;
    border: none;
    border-radius: 16px;
    font-size: 1.3rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
    position: relative;
    color: #fff;
}
.employee-btn:active {
    transform: scale(0.95);
}
.employee-btn .status-badge {
    font-size: 0.75rem;
    font-weight: 400;
    margin-top: 4px;
    opacity: 0.9;
}
.employee-btn.clocked-in {
    background: linear-gradient(135deg, #11998e, #38ef7d);
}
.employee-btn.clocked-out {
    background: linear-gradient(135deg, #667eea, #764ba2);
}
.employee-btn.ready-next {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.admin-link {
    display: block;
    text-align: center;
    margin-top: 1.5rem;
    color: #999;
    font-size: 0.9rem;
}

/* ── 管理后台 ── */
.admin-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 1rem;
}

/* ── Toast ── */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
}