:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --bg-color: #f8fafc;
    --surface-color: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    padding: 20px;
}

.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.dashboard-header h1 {
    font-size: 24px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.refresh-btn {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
}

.refresh-btn:hover {
    background: #f1f5f9;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.widget {
    background: var(--surface-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
}

.widget h2 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: space-between;
}

.widget-content {
    flex: 1;
    overflow-y: auto;
    max-height: 400px;
}

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-muted);
    padding: 40px 0;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 40px 0;
}

/* 리스트 아이템 스타일 */
.list-item {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 12px;
    background: #fafafa;
}

.list-item:last-child {
    margin-bottom: 0;
}

.item-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 14px;
}

.item-title {
    font-weight: 600;
}

.item-meta {
    font-size: 12px;
    color: var(--text-muted);
}

.status-select {
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    font-size: 12px;
    background: white;
}

.badge {
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    background: #e2e8f0;
}
.badge.danger { background: #fee2e2; color: #991b1b; }
.badge.warning { background: #fef3c7; color: #92400e; }

/* 캘린더 위젯 */
.calendar-widget {
    grid-column: 1 / -1; /* 전체 너비 차지 */
}

.add-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 이벤트 목록 */
.event-item {
    display: flex;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
}
.event-item:last-child { border-bottom: none; }
.event-date {
    background: #eff6ff;
    color: #1e3a8a;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    margin-right: 12px;
}
.event-title {
    font-size: 14px;
}

/* 모달 */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.modal.hidden { display: none; }
.modal-content {
    background: white;
    padding: 24px;
    border-radius: 12px;
    width: 400px;
    position: relative;
}
.close-btn {
    position: absolute;
    top: 16px; right: 16px;
    font-size: 24px;
    cursor: pointer;
}
.form-group {
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
}
.form-group input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
}
.submit-btn {
    width: 100%;
    padding: 10px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
}