/* Base Styles */
  .water-names-container {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    line-height: 1.6;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: linear-gradient(to bottom, #e6f7ff, #ffffff);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  }

  .water-section {
    margin-bottom: 40px;
    padding: 30px;
    border-radius: 10px;
    background-color: #fff;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
  }

  .water-section:hover {
    transform: translateY(-5px);
  }

  .water-section-title {
    color: #0288D1;
    font-size: 28px;
    margin-bottom: 15px;
    border-bottom: 2px solid #B3E5FC;
    padding-bottom: 10px;
    position: relative;
  }

  .water-section-description {
    color: #607D8B;
    margin-bottom: 25px;
    font-size: 16px;
  }

  /* Title Section */
  .water-title-section {
    text-align: center;
    margin-bottom: 40px;
    position: relative;
  }

  .water-main-title {
    color: #0288D1;
    font-size: 42px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
    display: inline-block;
  }

  .water-main-title::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(to right, #B3E5FC, #0288D1, #B3E5FC);
    border-radius: 3px;
  }

  .water-waves {
    height: 20px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%230288D1' fill-opacity='0.3' d='M0,192L48,197.3C96,203,192,213,288,229.3C384,245,480,267,576,250.7C672,235,768,181,864,181.3C960,181,1056,235,1152,234.7C1248,235,1344,181,1392,154.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E");
    background-size: cover;
    margin-top: 20px;
  }

  /* Introduction Section */
  .water-intro-section {
    background-color: #E1F5FE;
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 40px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
  }

  .water-intro-text {
    font-size: 18px;
    line-height: 1.8;
    color: #01579B;
    text-align: justify;
  }

  /* Tool Section */
  .water-tool-section {
    background: linear-gradient(135deg, #E1F5FE, #B3E5FC);
    padding: 30px;
    border-radius: 10px;
    margin-bottom: 40px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  }

  .water-tool-container {
    text-align: center;
  }

  .water-tool-description {
    margin-bottom: 20px;
    color: #01579B;
  }

  .water-generator-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
  }

  .water-select {
    padding: 10px 15px;
    border-radius: 5px;
    border: 1px solid #B3E5FC;
    background-color: #fff;
    color: #0288D1;
    font-size: 16px;
    min-width: 200px;
  }

  .water-button {
    padding: 10px 20px !important;
    background-color: #0288D1  !important;
    color: white  !important;
    border: none;
    border-radius: 5px  !important;
    cursor: pointer  !important;
    font-size: 16px  !important;
    transition: background-color 0.3s  !important;
  }

  .water-button:hover {
    background-color: #01579B;
  }

  .water-name-result {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #0288D1;
    font-weight: bold;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    margin-top: 20px;
  }

  .water-result-placeholder {
    color: #B3E5FC;
    font-style: italic;
  }

  /* Section 1: Simple List */
  .water-section-list {
    background-color: #F1F8E9;
  }

  .water-names-list {
    columns: 4;
    column-gap: 30px;
    list-style-type: none;
    padding: 0;
  }

  .water-names-list li {
    margin-bottom: 10px;
    padding: 5px 10px;
    background-color: #DCEDC8;
    border-radius: 5px;
    break-inside: avoid;
    transition: background-color 0.3s;
  }

  .water-names-list li:hover {
    background-color: #C5E1A5;
  }

  /* Section 2: Table with Names */
  .water-section-table {
    background-color: #E8EAF6;
  }

  .water-table-container {
    overflow-x: auto;
  }

  .water-names-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
  }

  .water-names-table th, .water-names-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #C5CAE9;
  }

  .water-names-table th {
    background-color: #3F51B5;
    color: white;
  }

  .water-names-table tr:nth-child(even) {
    background-color: #E8EAF6;
  }

  .water-names-table tr:hover {
    background-color: #C5CAE9;
  }

  /* Section 3: Names with Meanings */
  .water-section-meanings {
    background-color: #FFF8E1;
  }

  .water-meanings-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
  }

  .water-meaning-card {
    background-color: #FFECB3;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
  }

  .water-meaning-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  }

  .water-meaning-card .water-name {
    color: #FF8F00;
    margin: 0 0 10px 0;
    font-size: 18px;
  }

  .water-meaning-card .water-meaning {
    color: #5D4037;
    margin: 0;
    font-size: 14px;
  }

  /* Section 4: Grid Layout */
  .water-section-grid {
    background-color: #E0F2F1;
  }

  .water-grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 15px;
  }

  .water-grid-item {
    background-color: #B2DFDB;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
    color: #004D40;
  }

  .water-grid-item:hover {
    background-color: #80CBC4;
    transform: scale(1.05);
  }

  /* Section 5: Interactive Elements */
  .water-section-interactive {
    background-color: #E3F2FD;
  }

  .water-tabs-container {
    margin-top: 20px;
  }

  .water-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
  }

  .water-tab-button {
    padding: 10px 20px;
    background-color: #BBDEFB;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    color: #0D47A1;
    font-weight: bold;
  }

  .water-tab-button:hover {
    background-color: #90CAF9;
  }

  .water-tab-button.active {
    background-color: #2196F3;
    color: white;
  }

  .water-tab-content {
    display: none;
    padding: 20px;
    background-color: #BBDEFB;
    border-radius: 5px;
  }

  .water-tab-content.active {
    display: block;
  }

  .water-tab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
  }

  .water-tab-grid span {
    background-color: #E3F2FD;
    padding: 8px 12px;
    border-radius: 5px;
    text-align: center;
    transition: background-color 0.3s;
  }

  .water-tab-grid span:hover {
    background-color: #2196F3;
    color: white;
  }

  /* Section 6: Categorized Names */
  .water-section-categories {
    background-color: #F3E5F5;
  }

  .water-categories-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }

  .water-category {
    background-color: #E1BEE7;
    padding: 20px;
    border-radius: 8px;
  }

  .water-category-title {
    color: #6A1B9A;
    margin-top: 0;
    margin-bottom: 15px;
    border-bottom: 2px solid #CE93D8;
    padding-bottom: 10px;
  }

  .water-category-items {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .water-category-items span {
    background-color: #F3E5F5;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background-color 0.3s;
  }

  .water-category-items span:hover {
    background-color: #CE93D8;
  }

  /* Section 7: Visual Presentation */
  .water-section-visual {
    background-color: #E8F5E9;
  }

  .water-colors-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
  }

  .water-color-item {
    height: 100px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
  }

  .water-color-item:hover {
    transform: scale(1.05);
  }

  .water-color-name {
    background-color: rgba(255, 255, 255, 0.8);
    padding: 5px 10px;
    border-radius: 5px;
    font-weight: bold;
    color: #004D40;
  }

  /* Section 8: Cultural Names */
  .water-section-cultural {
    background-color: #FFF3E0;
  }

  .water-cultural-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }

  .water-cultural-region {
    background-color: #FFE0B2;
    padding: 20px;
    border-radius: 8px;
  }

  .water-cultural-title {
    color: #E65100;
    margin-top: 0;
    margin-bottom: 15px;
    border-bottom: 2px solid #FFCC80;
    padding-bottom: 10px;
  }

  .water-cultural-names {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .water-cultural-name {
    background-color: #FFF3E0;
    padding: 8px 12px;
    border-radius: 5px;
    transition: background-color 0.3s;
  }

  .water-cultural-name:hover {
    background-color: #FFCC80;
  }

  /* Section 9: Water Sounds */
  .water-section-sounds {
    background-color: #E0F7FA;
  }

  .water-sounds-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
  }

  .water-sound-column {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .water-sound-item {
    background-color: #B2EBF2;
    padding: 10px 15px;
    border-radius: 5px;
    text-align: center;
    transition: all 0.3s;
  }

  .water-sound-item:hover {
    background-color: #4DD0E1;
    transform: translateY(-3px);
    color: white;
  }

  /* Conclusion Section */
  .water-conclusion-section {
    background-color: #E1F5FE;
    padding: 30px;
    border-radius: 10px;
    margin-top: 40px;
    margin-bottom: 40px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
  }

  .water-conclusion-text {
    font-size: 18px;
    line-height: 1.8;
    color: #01579B;
    text-align: center;
  }

  /* Back to Top Button */
  .water-back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: #0288D1;
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: background-color 0.3s;
  }

  .water-back-to-top:hover {
    background-color: #01579B;
  }

  /* ≤992px: small laptops / large tablets */
@media (max-width: 992px) {
  .water-main-title {
    font-size: 36px;
  }
  .water-section-title {
    font-size: 24px;
  }
  .water-intro-text,
  .water-conclusion-text {
    font-size: 17px;
  }
  .water-names-list {
    columns: 3;
  }
  .water-meanings-container,
  .water-grid-container,
  .water-colors-container,
  .water-cultural-container {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }
  .water-generator-controls {
    gap: 12px;
  }
}

/* ≤768px: tablets portrait */
@media (max-width: 768px) {
  .water-section {
    padding: 20px;
  }
  .water-main-title {
    font-size: 32px;
  }
  .water-section-title {
    font-size: 22px;
  }
  .water-intro-text,
  .water-conclusion-text {
    font-size: 16px;
  }
  .water-names-list {
    columns: 2;
  }
  .water-meanings-container,
  .water-grid-container,
  .water-colors-container,
  .water-cultural-container {
    grid-template-columns: 1fr;
  }
  .water-select,
  .water-button {
    width: 100%;
  }
}

/* ≤600px: large phones */
@media (max-width: 600px) {
  .water-names-container {
    padding: 15px;
  }
  .water-section {
    margin-bottom: 30px;
    padding: 15px;
  }
  .water-main-title {
    font-size: 28px;
  }
  .water-section-title {
    font-size: 20px;
  }
  .water-intro-text,
  .water-conclusion-text {
    font-size: 15px;
  }
  .water-names-list {
    columns: 1;
  }
  .water-meanings-container,
  .water-grid-container,
  .water-colors-container,
  .water-cultural-container {
    grid-template-columns: 1fr;
  }
  .water-generator-controls {
    flex-direction: column;
    align-items: stretch;
  }
  .water-select,
  .water-button {
    font-size: 14px;
    padding: 8px 12px !important;
  }
  .water-name-result {
    font-size: 20px;
    padding: 15px;
  }
	.water-names-table th, .water-names-table td {
    padding: 12px 3px;
    text-align: left;
    border-bottom: 1px solid #C5CAE9;
    font-size: 10px;
}
}

/* ≤400px: small phones */
@media (max-width: 400px) {
  .water-main-title {
    font-size: 24px;
  }
  .water-section-title {
    font-size: 18px;
  }
  .water-intro-text,
  .water-conclusion-text {
    font-size: 14px;
  }
  .water-names-list li {
    font-size: 14px;
    padding: 4px 8px;
  }
  .water-select,
  .water-button {
    font-size: 12px;
    padding: 6px 10px !important;
  }
  .water-name-result {
    font-size: 18px;
    padding: 12px;
  }
	
	.water-names-table th, .water-names-table td {
    padding: 12px 3px;
    text-align: left;
    border-bottom: 1px solid #C5CAE9;
    font-size: 10px;
}
}

/* ≤375px: very small devices */
@media (max-width: 375px) {
  .water-main-title {
    font-size: 20px;
  }
  .water-section-title {
    font-size: 16px;
  }
  .water-intro-text,
  .water-conclusion-text {
    font-size: 13px;
  }
  .water-names-list li {
    font-size: 13px;
  }
  .water-select,
  .water-button {
    font-size: 11px !important;
    padding: 5px 8px !important;
  }
  .water-name-result {
    font-size: 16px;
  }
  .water-back-to-top {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
	.water-names-table th, .water-names-table td {
    padding: 12px 3px;
    text-align: left;
    border-bottom: 1px solid #C5CAE9;
    font-size: 10px;
}
}