@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;700&display=swap');

:root {
    --bg-color: #1a1a1a;
    --card-bg-color: #2c2c2c;
    --text-color: #e0e0e0;
    --header-color: #ffffff;
    --primary-color: #4fc3f7;
    --border-color: #444;
    --shadow-color: rgba(0, 0, 0, 0.4);
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.main-header {
    text-align: center;
    padding: 2rem 1rem;
    background-color: var(--card-bg-color);
    border-bottom: 1px solid var(--border-color);
}

.main-header h1 {
    color: var(--header-color);
    margin: 0;
    font-size: 2.5rem;
    font-weight: 700;
}

.main-header p {
    color: var(--primary-color);
    margin: 0.25rem 0 0;
    font-size: 1.1rem;
}

.container {
    padding: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

section {
    margin-bottom: 2rem;
}

section h2 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.card {
    background-color: var(--card-bg-color);
    border-radius: 8px;
    padding: 1.5rem;
    list-style: none;
    box-shadow: 0 4px 15px var(--shadow-color);
}

.card li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.card li:last-child {
    border-bottom: none;
}

/* User Settings Specific Styles */
#user-settings-list li {
    font-size: 1.1rem;
}

/* Inventory Specific Styles */
#inventory-list .item-name {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--header-color);
}
#inventory-list .item-details {
    font-size: 0.95rem;
    color: #b0b0b0;
    display: flex;
    gap: 1rem;
    margin-top: 0.25rem;
}

/* Transactions Specific Styles */
#transactions-list .txn-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--header-color);
    margin-bottom: 0.5rem;
}
#transactions-list .txn-header .date {
    font-size: 0.9rem;
    font-weight: 400;
    color: #b0b0b0;
}
#transactions-list .txn-body {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.5rem;
}
#transactions-list .txn-items {
    list-style: none;
    padding-left: 1rem;
    margin-top: 0.5rem;
    color: #ccc;
}
#transactions-list .txn-items li {
    padding: 0.25rem 0;
    border: none;
}