* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    background-color: #f8fafc;
    color: #333;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    background-color: #ffffff;
    min-height: 100vh;
    box-shadow: 0 0 20px rgba(0,0,0,0.05);
}

header {
    background-color: #0c4a6e; /* Deep Ocean Blue */
    color: white;
    padding: 24px 20px;
    text-align: center;
    border-bottom: 4px solid #f97316; /* Vibrant Orange */
}

header h1 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

header p {
    font-size: 0.95rem;
    opacity: 0.85;
}

.ad-slot {
    margin: 15px 20px;
    background-color: #f1f5f9;
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    min-height: 100px;
}

.list-container {
    padding: 20px;
}

.card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    position: relative;
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.region-name {
    font-size: 1.8rem;
    font-weight: 800;
    color: #0f172a;
}

.status-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

.status-접수중 {
    background-color: #dcfce7;
    color: #166534;
}

.status-준비중 {
    background-color: #ffedd5;
    color: #c2410c;
}

.status-마감 {
    background-color: #f1f5f9;
    color: #475569;
}

.schedule-info {
    font-size: 0.95rem;
    color: #475569;
    margin-bottom: 20px;
    line-height: 1.5;
    background-color: #f8fafc;
    padding: 10px 12px;
    border-radius: 8px;
}

.action-btn {
    display: block;
    width: 100%;
    background-color: #ffffff;
    color: #f97316; /* Vibrant Orange */
    text-align: center;
    padding: 14px;
    border: 2px solid #f97316;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.2s;
}

.action-btn:hover {
    background-color: #fff7ed; /* 아주 연한 오렌지 배경 */
}

.action-btn.disabled {
    background-color: #f8fafc;
    color: #94a3b8;
    border: 2px solid #cbd5e1;
    pointer-events: none;
    box-shadow: none;
}