/* --- Global Styles --- */
:root {
    --primary-color: #0052cc;
    --secondary-color: #00a3bf;
    --background-color: #f4f5f7;
    --text-color: #172b4d;
    --header-bg: #ffffff;
    --card-bg: #ffffff;
    --border-color: #dfe1e6;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    margin: 0;
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
}

/* --- Layout & Navigation --- */
.sidebar {
    width: 240px;
    background-color: var(--header-bg);
    border-right: 1px solid var(--border-color);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    padding: 20px;
    box-sizing: border-box;
}

.sidebar h1 {
    font-size: 1.5em;
    color: var(--primary-color);
    margin-top: 0;
}

.sidebar nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar nav li a {
    display: block;
    padding: 10px 15px;
    text-decoration: none;
    color: var(--text-color);
    border-radius: 4px;
    margin-bottom: 5px;
}

.sidebar nav li a:hover {
    background-color: #e9ecef;
}

.sidebar nav li a.active {
    background-color: var(--primary-color);
    color: white;
    font-weight: bold;
}

.main-content {
    margin-left: 240px; /* sidebar width */
    flex-grow: 1;
    padding: 20px;
    max-width: calc(100% - 240px);
}

header {
    background-color: var(--card-bg);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.filters {
    display: flex;
    flex-wrap: wrap; /* 画面が狭い場合に折り返す */
    gap: 15px;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filters label {
    font-weight: bold;
}

.filters select, .filters input, .filters button {
    padding: 8px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background-color: white;
    font-family: var(--font-family);
    font-size: 14px;
}

.filters button {
    cursor: pointer;
    background-color: #f4f5f7;
}

.filters button:hover {
    background-color: #e9ecef;
}
/* === Pipeline Checkbox Dropdown === */
.dropdown-check {
    position: relative;
    display: inline-block;
}

.dropdown-check-label {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: white;
    cursor: pointer;
    min-width: 150px;
    display: block;
    text-align: left;
}

.dropdown-check-list {
    display: none;
    position: absolute;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    z-index: 100;
    padding: 10px;
    max-height: 200px;
    overflow-y: auto;
}

.dropdown-check-list.visible {
    display: block;
}

.dropdown-check-list label {
    display: block;
    padding: 5px;
    font-weight: normal;
    cursor: pointer;
}

.dropdown-check-list label:hover {
    background-color: #e9f2ff;
}

.dropdown-check-list input {
    margin-right: 8px;
}

/* === Calendar & Modal Styles (追記) === */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    background-color: var(--border-color);
    border: 1px solid var(--border-color);
}
.calendar-header {
    text-align: center;
    padding: 10px;
    background-color: #f4f5f7;
    font-weight: bold;
}
.calendar-day {
    min-height: 120px;
    background-color: white;
    padding: 8px;
    font-size: 0.9em;
}
.calendar-day.other-month {
    background-color: #f9fafb;
    color: #a0aec0;
}
.calendar-event {
    font-size: 1.2em;
    cursor: pointer;
    margin-right: 4px;
}
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.5);
    justify-content: center;
    align-items: center;
}
.modal.visible {
    display: flex;
}
.modal-content {
    background-color: #fefefe;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 600px;
    border-radius: 8px;
}
.modal-close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

/* --- Card & Table Styles --- */
.card {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

h2 {
    margin-top: 0;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
    color: var(--primary-color);
}

/* === IMPORTANT: Sticky Header Table === */
.table-container {
    max-height: 500px; /* テーブルの高さを制限 */
    overflow-y: auto;  /* 高さを超えたらスクロールバーを表示 */
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

thead th {
    position: sticky; /* ヘッダーを固定 */
    top: 0;
    background-color: #f4f5f7;
    z-index: 10;
    font-size: 0.9em;
    text-transform: uppercase;
}

tbody tr:hover {
    background-color: #e9f2ff;
}

td .clickable {
    color: var(--primary-color);
    text-decoration: underline;
    cursor: pointer;
}

/* --- Other Components --- */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.tab-button {
    padding: 10px 20px;
    cursor: pointer;
    border: none;
    background-color: transparent;
    font-size: 1em;
}

.tab-button.active {
    border-bottom: 3px solid var(--primary-color);
    font-weight: bold;
    color: var(--primary-color);
}

/* --- Filters (追記) --- */
.dropdown-check-controls {
    display: flex;
    justify-content: space-between;
    padding-bottom: 5px;
    margin-bottom: 5px;
    border-bottom: 1px solid var(--border-color);
}
.dropdown-check-controls button {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    padding: 2px 4px;
    font-size: 12px;
}

/* --- Summary Cards (新規) --- */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}
.summary-card {
    background-color: var(--card-bg);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border-left: 5px solid var(--primary-color);
}
.summary-card h3 {
    margin: 0 0 10px 0;
    font-size: 1em;
    color: #505f79;
}
.summary-card .value {
    font-size: 2em;
    font-weight: bold;
}
.summary-card .target {
    font-size: 0.9em;
    color: #6b778c;
}

/* --- Calendar (追記) --- */
.calendar-controls {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    align-items: center;
}

/* --- Analysis Table (追記) --- */
.comparison-value {
    cursor: pointer;
    position: relative;
}
.previous-month-value {
    display: none;
    position: absolute;
    background-color: black;
    color: white;
    padding: 5px;
    border-radius: 4px;
    font-size: 0.8em;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 5px;
    white-space: nowrap;
}
.comparison-value:hover .previous-month-value {
    display: block;
}

/* --- Goal Setting Table (新規) --- */
.goal-table-container {
    max-height: 600px;
    overflow-y: auto;
}
.goal-table input[type="number"] {
    width: 100px;
    padding: 5px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

/* --- Dashboard Cards (追加) --- */
.card-danger {
    border-left-color: #dc3545; /* 赤色 */
    background-color: #fbeeed;
}
.card-danger .value {
    color: #dc3545;
}

/* --- Summary Cards Emoji (追加) --- */
.summary-card .card-icon {
    font-size: 2.5em;
    position: absolute;
    top: 15px;
    right: 15px;
    opacity: 0.2;
}
.summary-card {
    position: relative; /* アイコンの位置の基準 */
}