@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

:root {
    --primary-color: #3498db;
    --income-color: #2ecc71;
    --expense-color: #e74c3c;
    --event-color: #9b59b6;
    --warning-color: #f39c12;
    --background-color: #f4f7f6;
    --panel-background-color: #ffffff;
    --text-color: #333;
    --border-color: #e0e0e0;
    --shadow-color: rgba(0, 0, 0, 0.05);
    --font-family: 'Noto Sans KR', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
}

header {
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

header .header-content {
   text-align: left;
}

header h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

header h1 a {
    text-decoration: none;
    color: inherit;
}

.main-grid {
    display: grid;
    grid-template-columns: 420px 1fr;
    grid-template-areas:
        "ad-top   ad-top"
        "settings charts"
        "settings report"
        "ad-bottom ad-bottom";
    gap: 20px;
}

#ad-slot-top { grid-area: ad-top; }
#ad-slot-bottom { grid-area: ad-bottom; }
.settings-panel { grid-area: settings; }
.charts-panel { grid-area: charts; }
.report-panel { grid-area: report; }

.settings-panel {
    background: var(--panel-background-color);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 15px var(--shadow-color);
    height: fit-content;
    max-height: calc(100vh - 120px); /* Adjusted for header */
    overflow-y: auto;
}

.charts-panel {
    grid-area: charts;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.report-panel {
    grid-area: report;
    background: var(--panel-background-color);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 15px var(--shadow-color);
}

/* Ad Slot Styles */
.ad-slot {
    background-color: #f8f9fa;
    border: 1px dashed #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    min-height: 90px;
}

#ad-slot-header {
    min-height: 70px;
    flex-basis: 320px;
    margin-left: 20px;
}

.ad-label {
    color: #b0b0b0;
    font-size: 0.8rem;
    font-weight: 500;
}


.settings-panel h2 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    display: flex;
    align-items: center;
}

.settings-panel h2 .icon, .monthly-details-container h3 .icon {
    margin-right: 10px;
}

.settings-panel hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 25px 0;
}

.input-group, .flow-group {
    margin-bottom: 20px;
}

.input-group label, .flow-group h3 {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
}

.input-group input, .input-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.95rem;
}

.flow-group button {
    width: 100%;
    padding: 8px;
    border: 1px dashed var(--primary-color);
    background: none;
    color: var(--primary-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.flow-group button:hover {
    background: #eaf5ff;
}

.flow-item {
    display: grid;
    gap: 8px;
    align-items: center;
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 4px;
    background-color: #f9f9f9;
}

.flow-item.rule-item {
    grid-template-columns: 1fr 100px 70px 50px auto;
}

.flow-item:not(.rule-item) {
     grid-template-columns: 1fr 1fr auto;
}

.flow-item input, .flow-item select {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.flow-item .delete-flow-btn {
    background: none;
    border: none;
    color: var(--expense-color);
    font-size: 1.2rem;
    cursor: pointer;
}

.actions {
    margin-top: 30px;
    display: flex;
    gap: 10px;
}

.actions button {
    flex: 1;
    padding: 12px;
    border-radius: 4px;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.actions button.primary {
    background-color: var(--primary-color);
    color: white;
}

.actions button.primary:hover {
    background-color: #2980b9;
}

.actions button#reset-btn {
    background-color: #ecf0f1;
    color: #7f8c8d;
}

.actions button#reset-btn:hover {
    background-color: #bdc3c7;
}

.button-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.button-group button {
    width: 100%;
    padding: 10px;
    border-radius: 4px;
    border: 1px solid #ccc;
    background-color: #f0f0f0;
    cursor: pointer;
    transition: background-color 0.2s;
}

.button-group button:hover {
    background-color: #e0e0e0;
}

.chart-container {
    background: var(--panel-background-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 15px var(--shadow-color);
    position: relative;
    height: 350px;
}

.chart-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* Report Panel Styles */
.report-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.report-header h2 {
    font-size: 1.4rem;
    margin: 0;
    display: flex;
    align-items: center;
}

.report-header h2 .icon {
    margin-right: 10px;
}

#print-report-btn {
    padding: 8px 16px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s;
}

#print-report-btn:hover {
    background-color: #2980b9;
}

.report-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.summary-card {
    background-color: #f9f9f9;
    padding: 15px;
    border-radius: 6px;
    border-left: 4px solid var(--primary-color);
}

.summary-card h4 {
    font-size: 0.9rem;
    font-weight: 500;
    color: #666;
    margin-bottom: 5px;
}

.summary-card p {
    font-size: 1.3rem;
    font-weight: 700;
}

.income-text { color: var(--income-color) !important; }
.expense-text { color: var(--expense-color) !important; }

/* Monthly & Daily Details */
.monthly-details-container h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.details-header {
    margin-bottom: 15px;
}

.details-header h3 {
     font-size: 1.4rem;
     font-weight: 600;
}

#monthly-details-content {
    max-height: 500px;
    overflow-y: auto;
    padding-right: 10px;
}

.detail-summary {
    background: #fdfdfd;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.detail-summary p {
    font-size: 1rem;
    margin-bottom: 5px;
}

#daily-flow-view h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.daily-flow-list {
    list-style: none;
    max-height: 350px;
    overflow-y: auto;
}

.daily-flow-item {
    padding: 12px;
    border-radius: 5px;
    margin-bottom: 8px;
    border: 1px solid var(--border-color);
    transition: background-color 0.2s;
}

.daily-flow-item.lowest-balance {
    background-color: #fffbe6;
    border-left: 4px solid var(--warning-color);
}

.daily-flow-item.danger-balance .day-balance {
    color: var(--expense-color);
    font-weight: 700;
}

.day-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    margin-bottom: 8px;
}

.day-date {
    font-size: 1.1rem;
}

.day-balance {
    font-size: 1.1rem;
    font-weight: 600;
}

.badge {
    font-size: 0.75rem;
    padding: 3px 8px;
    border-radius: 12px;
    color: white;
    font-weight: 500;
    margin-left: 10px;
}

.badge-warning {
    background-color: var(--warning-color);
}

.badge-danger {
    background-color: var(--expense-color);
}

.flow-details {
    list-style: none;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px dashed #eee;
}

.flow-detail-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    padding: 4px 0;
}

.flow-detail-item .item-name {
    color: #555;
}

.flow-detail-item .item-amount {
    font-weight: 500;
}

.flow-detail-item.income-item .item-amount {
    color: var(--income-color);
}

.flow-detail-item.expense-item .item-amount {
    color: var(--expense-color);
}


@media (max-width: 1200px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }

    #ad-slot-header {
        width: 100%;
        margin-left: 0;
        margin-top: 15px;
    }

    .main-grid {
        grid-template-columns: 1fr;
        grid-template-areas:
            "ad-top"
            "settings"
            "charts"
            "report"
            "ad-bottom";
    }
    .settings-panel {
        max-height: none;
    }
}

@media (max-width: 768px) {
    .chart-grid, .details-grid, .button-group {
        grid-template-columns: 1fr;
    }

    header h1 {
        font-size: 1.8rem;
    }
}

@media print {
    /* Print styles remain the same */
}

/* Footer and Static Page Styles */
footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background-color: var(--panel-background-color);
}

footer nav a {
    color: var(--primary-color);
    text-decoration: none;
    margin: 0 10px;
}

footer nav a:hover {
    text-decoration: underline;
}

footer p {
    margin-top: 10px;
    font-size: 0.9rem;
    color: #777;
}

.static-page {
    max-width: 800px;
    margin: 40px auto;
    padding: 30px;
    background: var(--panel-background-color);
    border-radius: 8px;
    box-shadow: 0 4px 15px var(--shadow-color);
}

.static-page h2 {
    font-size: 2rem;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
}

.static-page h3 {
    font-size: 1.5rem;
    margin-top: 30px;
    margin-bottom: 15px;
}

.static-page p, .static-page ul {
    margin-bottom: 15px;
    font-size: 1.05rem;
}

.static-page ul {
    padding-left: 20px;
}

.static-page a {
    color: var(--primary-color);
    text-decoration: none;
}

.static-page a:hover {
    text-decoration: underline;
}