/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #1F0044;
    color: #FFFFFF;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 60px;
}

/* Navigation Styles */
.navbar {
    background-color: #1F0044;
    padding: 25px 60px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1440px;
    margin: 0 auto;
}

.nav-logo h1 {
    font-size: 20px;
    font-weight: 600;
    color: #FFFFFF;
    margin: 0;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    color: #FFFFFF;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: 5px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #EC45D8;
    background-color: rgba(236, 69, 216, 0.1);
}

.nav-link.active {
    color: #EC45D8;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #FFFFFF;
    margin: 4px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Main Content */
.main-content {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

.page {
    display: none;
    padding: 60px 0;
    min-height: calc(100vh - 140px);
}

.page.active {
    display: block;
}

/* Typography */
h1, h2, h3 {
    font-weight: 600;
    margin-bottom: 20px;
}

h2 {
    font-size: 48px;
    line-height: 1.5em;
    color: #FFFFFF;
}

h3 {
    font-size: 20px;
    line-height: 1.5em;
    color: #FFFFFF;
}

p {
    font-size: 16px;
    line-height: 1.5em;
    color: #FFFFFF;
    margin-bottom: 16px;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 53px;
    border: none;
    border-radius: 30px;
    font-family: 'Poppins', sans-serif;
    font-size: 20px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 120px;
    height: 64px;
    /* position: relative; */    /* ให้ปุ่มมี stacking context ของตัวเอง */
    /*z-index: 2;*/             /* ดันปุ่มขึ้นมาเหนือเลเยอร์อื่นที่ทับอยู่ */
}

.btn-pink {
    background-color: #EC45D8;
    color: #FDECFB;
}

.btn-pink:hover {
    background-color: #FDECFB;
    color: #EC45D8;
    border: 4px solid #EC45D8;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(236, 69, 216, 0.3);
}

.btn-blue {
    background-color: #0BBEE7;
    color: #E9FAFE;
}

.btn-blue:hover {
    background-color: #E9FAFE;
    color: #0BBEE7;
    border: 4px solid #0BBEE7;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(11, 190, 231, 0.3);
}

.btn-purple {
    background-color: #B672FE;
    color: #F5ECFF;
}

.btn-purple:hover {
    background-color: #F5ECFF;
    color: #B672FE;
    border: 4px solid #B672FE;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(182, 114, 254, 0.3);
}

.btn-white {
    background-color: #FFFFFF;
    color: #1F0044;
}

.btn-white:hover {
    background-color: #1F0044;
    color: #FFFFFF;
    border: 3px solid #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

/* --- Hover Fix: ensure buttons can receive pointer events --- */
.btn {
  pointer-events: auto;  /* บังคับให้ทุกปุ่มรับ hover/click ได้ */
}

/* ให้ hover ทำงานเฉพาะอุปกรณ์ที่รองรับ hover (desktop/mouse) */
@media (hover: hover) and (pointer: fine) {
  .btn { pointer-events: auto; }
}

/* Home Page Styles */
.dataset-overview {
    margin-bottom: 60px;
}

.overview-content {
    display: flex;
    gap: 24px;
    width: 100%;
    padding-bottom: 60px;
}

.overview-image {
    flex: 1;
    position: relative;
}

.overview-image img {
    width: 100%;
    height: 778px;
    object-fit: cover;
    border-radius: 30px;
}

.image-caption {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    text-align: center;
    background: rgba(31, 0, 68, 0.8);
    padding: 5px 10px;
    border-radius: 8px;
}

.overview-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.overview-text h2 {
    font-size: 54px;
    margin-bottom: 30px;
}

.key-features {
    margin-top: 90px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.key-features h2 {
    margin-bottom: 30px;
}

.key-features p {
    margin-bottom: 40px;
    line-height: 1.8;
}

.key-features .btn {
    align-self: flex-end;
}

.highlight {
    color: #B672FE;
}

/* Dataset Columns */
.dataset-columns {
    margin-bottom: 60px;
    padding-bottom: 80px;
}

.columns-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 31px;
}

.column-card {
    background-color: #B672FE;
    padding: 32px 36px 19px;
    border-radius: 30px;
    height: 128px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: all 0.3s ease;
}

.column-card:hover {
    background-color: #A654FE;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(182, 114, 254, 0.3);
}

.column-card.special {
    background-color: #EC45D8;
}

.column-card.special:hover {
    background-color: #E81BCF;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(236, 69, 216, 0.3);
}


.column-card h3 {
    margin-bottom: 8px;
    font-size: 20px;
}

.column-card p {
    font-size: 16px;
    margin: 0;
    line-height: 1.5;
}

/* Sleep Disorder Details */
.sleep-disorder-details {
    margin-top: 60px;
    padding-bottom: 80px;
}

.sleep-disorder-details p {
    line-height: 1.8;
}

.disorder-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.disorder-list li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    line-height: 1.6;
}

.disorder-list li::before {
    content: "•";
    color: #FFFFFF;
    font-weight: bold;
    font-size: 20px;
    position: absolute;
    left: 0;
    top: 0;
}

.disorder-list li strong {
    color: #FFFFFF;
}

/* Data Explorer Page */
.data-explorer-content {
    margin-top: 40px;
    display: flex;
    gap: 12px;
    position: relative;
    min-height: 950px; 
    padding-bottom: 40px;
}

.data-frame {
    flex: 1;
    background-color: #37146E;
    border-radius: 30px;
    padding: 20px;
    height: 860px;
    overflow: hidden;
}

.data-display {
    background-color: #37146E;
    border-radius: 30px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    font-size: 18px;
    overflow: hidden;
    padding: 0;
}

.data-table-container {
    width: 100%;
    height: 100%;
    overflow: auto;
    padding: 0px 20px 20px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    min-width: 1400px;
    white-space: nowrap;
}

.data-table thead {
    position: sticky;
    top: 0;
    background-color: #4A1A7F;
    z-index: 10;
}

.data-table th {
    padding: 15px 20px;
    text-align: left;
    font-weight: 600;
    color: #FDECFB;
    border-bottom: 2px solid #B672FE;
    white-space: nowrap;
    position: relative;
    min-width: 120px;
}

/* เส้นกั้นแนวตั้งระหว่างคอลัมน์ */
.data-table th,
.data-table td {
    border-right: 1px solid rgba(229, 205, 255, 0.15); 
}

.data-table th:last-child,
.data-table td:last-child {
    border-right: none;
}

/* Header Sort และ Filter */
.table-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.data-table th .table-header { 
    position: relative; 
}


.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.header-title {
    flex: 1;
    font-weight: 600;
    padding-right: 48px;
}

/* Sort Buttons */
.sort-buttons {
    position: absolute;          
    top: 6px;                    
    right: 8px;
    display: flex;
    gap: 4px;
}

.sort-btn {
    background: rgba(182, 114, 254, 0.3);
    border: 1px solid #B672FE;
    color: #FFFFFF;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.sort-btn:hover {
    background: #B672FE;
    transform: scale(1.05);
}

.sort-btn.active {
    background: #EC45D8;
    border-color: #EC45D8;
    font-weight: 600;
}

/* Filter Dropdown */
.filter-container {
    position: relative;
}

.data-table th .filter-container { 
    margin-top: 6px; 
}


.filter-select {
    background-color: rgba(229, 205, 255, 0.2);
    color: #FFFFFF;
    border: 1px solid #B672FE;
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 12px;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    width: 100%;
    min-width: 100px;
}

.filter-select:focus {
    outline: none;
    border-color: #EC45D8;
    box-shadow: 0 0 0 2px rgba(236, 69, 216, 0.2);
}

.filter-select option {
    background-color: #2A0854;
    color: #FFFFFF;
    padding: 8px;
}

/* === Data Explorer: spacing fix for header title vs sort buttons (override) === */
#data-explorer .data-table th {
  /* เพิ่มเนื้อที่แนวตั้งของหัวคอลัมน์เล็กน้อย */
  padding-top: 22px;          
  padding-bottom: 12px;   
}

#data-explorer .data-table th .header-title {
  /* กันพื้นที่ด้านขวาให้ปุ่ม sort ไม่ทับตัวอักษร */
  padding-right: 85px;       
  line-height: 1.6;          
  white-space: nowrap;      
}

#data-explorer .data-table th .sort-buttons {
  /* ขยับตำแหน่งปุ่มเล็กน้อยให้ลงตัวกับ padding ใหม่ */
  top: 6px;                   
  right: 12px;               
  gap: 4px;                   
}

#data-explorer .data-table th .sort-btn {
  padding: 3px 7px;          
  font-size: 12px;           
}

@media (max-width: 1200px) {
  #data-explorer .data-table th .header-title {
    padding-right: 80px;     
  }
}

/* Table Body */
.data-table td {
    padding: 12px 20px;
    border-bottom: 1px solid rgba(182, 114, 254, 0.2);
    color: #FFFFFF;
    font-size: 13px;
}

.data-table tbody tr:hover {
    background-color: rgba(182, 114, 254, 0.15);
}

.data-table tbody tr:nth-child(even) {
    background-color: rgba(0, 0, 0, 0.1);
}

/* Scrollbar */
.data-table-container::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

.data-table-container::-webkit-scrollbar-track {
    background: #2A0854;
    border-radius: 5px;
}

.data-table-container::-webkit-scrollbar-thumb {
    background: #B672FE;
    border-radius: 5px;
}

.data-table-container::-webkit-scrollbar-thumb:hover {
    background: #EC45D8;
}

.data-table-container::-webkit-scrollbar-corner {
    background: #2A0854;
}

/* ตัวกรอบที่ครอบตาราง: เป็นผู้รับสกรอลล์ซ้าย–ขวา */
#data-explorer .data-table-container {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;    /* เลื่อนซ้าย–ขวาในกรอบ */
  overflow-y: auto;    /* เลื่อนบน–ล่างในกรอบ (คงเดิมถ้ามีอยู่แล้ว) */
}

/* ทำให้คอลัมน์ต่อยาวออกไป จนต้องเลื่อนในกรอบ (ไม่ดัน layout นอกกรอบ) */
#data-explorer .data-table {
  white-space: nowrap;     /* ห้ามตัดบรรทัดในเซลล์ */
  min-width: 1400px;       /* หรือค่าที่คุณใช้เดิม เช่น 1600px เพื่อ “เท่าเดิม” */
  table-layout: auto;      /* ถ้าเคยตั้ง fixed แล้วทำให้ตัด ให้ปล่อย auto */
}

/* ป้องกันหน้าใหญ่ทั้งหน้าเกิดสกรอลล์แนวนอน (ไม่เกี่ยวกับการตัดใน section) */
body {
  overflow-x: hidden;
}

/* Loading State */
.loading-message {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-size: 18px;
    color: #B672FE;
}

/* Row count info */
.row-count {
    padding: 10px 20px;
    background-color: rgba(182, 114, 254, 0.1);
    border-bottom: 1px solid rgba(182, 114, 254, 0.3);
    font-size: 13px;
    color: #E5CDFF;
    text-align: right;
}

.summary-section {
    background-color: #37146E;
    border-radius: 30px;
    padding: 20px 23px 20px 33px;
    width: 424px;
    height: 860px;
    position: relative;
    display: flex; 
    flex-direction: column; 
    align-items: center; 
}

.summary-header h3 {
    font-size: 36px;
    font-weight: 500;
    text-align: center;
    margin-bottom: 30px;
}

.statistics-grid {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
    width: 315px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 25px;
    justify-content: space-between;
}

.stat-item .btn {
    width: 167px;
    height: 58px;
    padding: 17px 66px;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-value {
    background-color: #F9C2F2;
    color: #37146E;
    padding: 11px 34px;
    border-radius: 30px;
    font-size: 24px;
    font-weight: 500;
    min-width: 119px;
    text-align: center;
    height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Summary controls (Data Explorer) */
.summary-section .summary-controls {
  width: 100%;
  margin: -10px 0 14px 0;
  display: flex;
  gap: 20px;
  align-items: flex-end;
  justify-content: center;
}

.summary-section .summary-select {
  background-color: #E5CDFF;
  color: #1F0044;
  border: none;
  border-radius: 30px;
  padding: 10px 18px;
  font-size: 16px;
  font-family: 'Poppins', sans-serif;
  height: 45px;
  min-width: 190px;
  margin-bottom: 27px;
}

.summary-section .summary-select:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(236, 69, 216, 0.3);
}

/* ปรับขนาดปุ่ม Calculate สีม่วงเฉพาะใน summary */
.summary-section .btn-purple {
  font-size: 20px;
  padding: 12px 20px;
  border-radius: 30px;
  height: 60px;
  margin-bottom: 20px;
}

/* Disable only on Data Explorer */
#data-explorer .statistics-grid .btn-blue {
  pointer-events: auto;
}

.reset-button-container {
    position: absolute;
    bottom: 10px;
    left: 0px;
}

.reset-button-container .btn,
.btn-white {
    width: 123px;
    height: 48px;
    padding: 17px 0px;
    font-size: 20px; 
}

/* Dashboard Page */
.dashboard-content {
    margin-top: 40px;
}

.dashboard-placeholder {
    background-color: #37146E;
    border-radius: 30px;
    height: 864px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #FFFFFF;
}

/* Power BI embed frame */
.pbi-frame-wrap {
    background-color: #37146E;
    border-radius: 30px;
    height: 864px;         /* ให้เท่ากับของเดิม */
    overflow: hidden;
}

/* iframe ให้กินพื้นที่เต็มกรอบ */
.pbi-frame-wrap iframe {
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 30px;
    display: block;
}

/* Charts Page */
.charts-content {
    margin-top: 40px;
}

.chart-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 28px;
}

.chart-buttons .btn {
    flex: 1;
    max-width: 668px;
}

.chart-buttons .btn[data-mode="visualize"] {
    background-color: #EC45D8;
    color: #FDECFB;
}

.chart-buttons .btn[data-mode="correlation"] {
    background-color: #0BBEE7;
    color: #E9FAFE;
}

.chart-buttons .btn[data-mode="visualize"]:hover {
    background-color: #FDECFB;
    color: #EC45D8;
    border: 4px solid #EC45D8;
}

.chart-buttons .btn[data-mode="correlation"]:hover {
    background-color: #E9FAFE;
    color: #0BBEE7;
    border: 4px solid #0BBEE7;
}

.chart-controls {
    background-color: #37146E;
    border-radius: 30px;
    padding: 27px 50px;
    margin-bottom: 30px;
    display: none;
    align-items: flex-end;
    gap: 15px;
    flex-wrap: wrap;
    position: relative;
}

.chart-controls.active {
    display: flex;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 244px;
}

.control-group label {
    font-size: 20px;
    font-weight: 600;
    color: #FDECFB;
}

.chart-select {
    background-color: #E5CDFF;
    color: #1F0044;
    border: none;
    border-radius: 30px;
    padding: 10px 20px;
    font-size: 16px;
    font-family: 'Poppins', sans-serif;
    min-height: 48px;
    width: 100%;
}

.chart-select:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(236, 69, 216, 0.3);
}

.generate-btn {
    position: absolute;
    right: 27px;
    bottom: 27px;
    width: 264px;
    height: 48px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chart-display {
    background-color: #37146E;
    border-radius: 30px;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    font-size: 18px;
}

/* Download Page */
.download-content {
    margin-top: 40px;
}

.download-card {
    background-color: #37146E;
    border-radius: 30px;
    padding: 60px;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.download-card h3 {
    font-size: 36px;
    margin-bottom: 20px;
}

.download-card p {
    font-size: 18px;
    margin-bottom: 40px;
    line-height: 1.6;
}

.download-btn {
    font-size: 18px;
    padding: 20px 40px;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        padding: 0 40px;
    }
    
    .dataset-overview {
        flex-direction: column;
    }
    
    .overview-content {
        flex-direction: column;
    }
    
    .data-explorer-content {
        flex-direction: column;
    }
    
    .summary-section {
        width: 100%;
        height: auto;
    }
    
    .statistics-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        width: 100%;
    }
    
    .reset-button-container {
        position: static;
        margin-top: 20px;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .navbar {
        padding: 15px 20px;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: #1F0044;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
        gap: 20px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    h2 {
        font-size: 36px;
    }
    
    .overview-text h2 {
        font-size: 42px;
    }
    
    .columns-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .column-card {
        padding: 24px 28px;
        height: auto;
        min-height: 100px;
    }
    
    .statistics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .stat-item {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .chart-buttons {
        flex-direction: column;
    }
    
    .chart-controls {
        flex-direction: column;
        align-items: stretch;
        padding: 20px 30px;
    }
    
    .control-group {
        min-width: auto;
    }
    
    .generate-btn {
        position: static;
        width: 100%;
        margin-top: 20px;
        white-space: nowrap;
    }
    
    .btn {
        padding: 12px 30px;
        font-size: 16px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    h2 {
        font-size: 28px;
    }
    
    .overview-text h2 {
        font-size: 32px;
    }
    
    .statistics-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-buttons .btn {
        width: 100%;
    }
    
    .column-card {
        padding: 20px 24px;
    }
    
    .summary-section {
        padding: 30px 20px;
    }
    
    .chart-controls {
        padding: 15px 20px;
    }
    
    .data-frame {
        height: 400px;
    }
    
    .stat-item .btn {
        width: 100%;
        max-width: 200px;
    }
}

/* Animation and Transitions */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page.active {
    animation: fadeIn 0.5s ease-in-out;
}

.column-card {
    animation: fadeIn 0.3s ease-in-out;
}

.column-card:nth-child(even) {
    animation-delay: 0.1s;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1F0044;
}

::-webkit-scrollbar-thumb {
    background: #EC45D8;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #E81BCF;
}

/* Focus Styles for Accessibility */
.btn:focus,
.nav-link:focus,
.chart-select:focus {
    outline: 3px solid #EC45D8;
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .navbar,
    .hamburger {
        display: none;
    }
    
    .main-content {
        margin-top: 0;
    }
    
    .page {
        display: block !important;
        page-break-inside: avoid;
    }
}