@import url('https://fonts.googleapis.com/css2?family=Tahoma&family=Verdana&family=Arial&display=swap');

body {
    margin: 0;
    padding: 0;
    background: #e9e9e9 none;
    font: 11px/1.4 Verdana, Tahoma, Arial, sans-serif;
    color: #3e3e3e;
}

.container {
    margin: 10px auto;
    padding: 12px 18px;
    background: #ffffff;
    border: 1px solid #c8c8c8;
    border-radius: 5px;
    max-width: 1180px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

h1 {
    font: bold 18px Tahoma, Verdana, Arial, sans-serif;
    color: #2f4456;
    margin: 12px 0 8px;
    padding: 4px 0;
    text-align: center;
    background: #f0f4f8;
    border-bottom: 1px solid #a8b8c8;
}

h2 {
    font: bold 14px Tahoma, Verdana, Arial, sans-serif;
    color: #2f4456;
    margin: 20px 0 10px;
    padding: 4px 0 6px;
    border-bottom: 1px solid #cedfeb;
    background: #f8f9fa;
}

nav {
    text-align: center;
    margin: 12px 0;
    padding: 6px 0;
}

nav a {
    padding: 6px 12px;
  background: #f8f9fa;
  border: 1px solid #c4c4c4;
  color: #2e3d85;
  text-decoration: none;
  font-size: 13px;
  border-radius: 3px;
  transition: all 0.15s;
}

nav a:hover {
    background: #7192a8;
    color: #ffffff;
    border-color: #8ca8c0;
}

.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
    margin: 15px 0;
}

.book-btn {
    padding: 10px 8px;
    background: #ffffff url('images/gradients/grey-up.png') repeat-x left bottom;
    border: 1px solid #c4c4c4;
    text-align: center;
    cursor: pointer;
    font: 13px Verdana, Arial, sans-serif;
    color: #2e3d85;
    min-height: 30px;
    transition: all 0.15s;
}

.book-btn:hover {
    background-color: #f0f7ff;
    border-color: #417394;
}

.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0,0,0,0.5);
}

.modal-content {
    background: #ffffff;
    margin: 10% auto;
    padding: 12px 18px;
    border: 1px solid #6b91ab;
    width: 90%;
    max-width: 560px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
}

.close-btn {
    position: absolute;
    right: 12px;
    top: 4px;
    font-size: 26px;
    color: #666;
    cursor: pointer;
}

.close-btn:hover {
    color: #c00;
}

#chapterGrid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(68px, 1fr));
    gap: 8px;
    max-height: 52vh;
    overflow-y: auto;
    padding: 6px;
    background: #f9f9f9;
}

.chapter-btn {
    padding: 8px 6px;
    background: #ffffff;
    border: 1px solid #c4c4c4;
    color: #2e3d85;
    text-align: center;
    cursor: pointer;
    font: 13px Verdana, sans-serif;
    transition: all 0.15s;
}

.chapter-btn:hover {
    background: #e3f0ff;
    border-color: #417394;
}

.verse {
    margin: 18px 0;
    padding: 12px 16px 14px;
    background: #ffffff url('images/gradients/grey-up.png') repeat-x left bottom;
    border: 1px solid #c4c4c4;
    border-left: 5px solid #5467ca;
}

.verse-number {
    font-size: 18px;
    color: #2f4456;
    margin-right: 10px;
    font-weight: bold;
}

.interlinear {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 12px;
}

.language {
    background: #ffffff;
    padding: 12px;
    border: 1px solid #c4c4c4;
    border-bottom: 2px solid #a8b8c8;
}

.language h3 {
    font-size: 14px;
    margin: 0 0 8px;
    text-align: center;
    color: #2f4456;
}

.text {
    font-size: 14px;
    line-height: 1.5;
}

.russian-verse {
    margin-bottom: 10px;
    padding: 8px 12px;
    background: #f8f9fa;
    border-left: 5px solid #5467ca;
    font-size: 14px;
}

.chapter-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 18px 0;
    flex-wrap: wrap;
}

.nav-btn {
    padding: 6px 12px;
    background: #f8f9fa;
    border: 1px solid #c4c4c4;
    color: #2e3d85;
    text-decoration: none;
    font-size: 13px;
    border-radius: 3px;
    transition: all 0.15s;
}

.nav-btn:hover:not(.disabled) {
    background: #e3f0ff;
    border-color: #417394;
    color: #1a3c7a;
}

.nav-btn.disabled {
    background: #f0f0f0;
    color: #888;
    border-color: #ccc;
    cursor: not-allowed;
}

.downloads {
    margin: 35px 0 25px;
    padding: 18px;
    background: #ffffff;
    border: 1px solid #6b91ab;
    text-align: center;
}

.downloads h2 {
    font-size: 15px;
    color: #2f4456;
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid #cedfeb;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 12px;
    margin: 15px 0;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
    background: #f8f9fa url('images/gradients/grey-up.png') repeat-x left bottom;
    border: 1px solid #c4c4c4;
    color: #2e3d85;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.15s;
}

.download-btn:hover {
    background-color: #e8f1ff;
    border-color: #417394;
}

@media (max-width: 768px) {
    .container { margin: 8px; padding: 10px 14px; }
    nav a { margin: 4px 6px; padding: 5px 9px; font-size: 12px; }
    .book-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
    .chapter-btn { font-size: 13px; }
}

@media (max-width: 480px) {
    h1 { font-size: 16px; }
    h2 { font-size: 14px; }
    .download-btn { font-size: 13px; padding: 9px 12px; }
}