:root {
    --line-rgb: 120, 210, 255;
    --accent-rgb: 90, 255, 230;
    --year-rgb: 255, 235, 150;
    --card-border-rgb: 130, 255, 245;
    --highlight-rgb: 76, 142, 255;
}

:root[data-line-theme="1"] {
    --line-rgb: 153, 252, 255;
    --accent-rgb: 0, 127, 131;
    --year-rgb: 252, 255, 153;
    --card-border-rgb: 153, 252, 255;
    --highlight-rgb: 153, 252, 255;
}

:root[data-line-theme="2"] {
    --line-rgb: 240, 255, 209;
    --accent-rgb: 194, 255, 58;
    --year-rgb: 145, 255, 58;
    --card-border-rgb: 95, 255, 58;
    --highlight-rgb: 58, 255, 70;
}

:root[data-line-theme="3"] {
    --line-rgb: 200, 225, 255;
    --accent-rgb: 76, 142, 255;
    --year-rgb: 170, 205, 255;
    --card-border-rgb: 120, 190, 255;
    --highlight-rgb: 76, 142, 255;
}

:root[data-line-theme="4"] {
    --line-rgb: 255, 238, 88;
    --accent-rgb: 255, 214, 0;
    --year-rgb: 255, 248, 120;
    --card-border-rgb: 255, 238, 88;
    --highlight-rgb: 255, 214, 0;
}

 :root[data-line-theme="5"] {
     --line-rgb: 255, 210, 218;
     --accent-rgb: 235, 45, 85;
     --year-rgb: 255, 245, 235;
     --card-border-rgb: 255, 140, 160;
     --highlight-rgb: 255, 90, 125;
 }

 :root[data-line-theme="1"] .timeline-line {
     background: rgba(var(--line-rgb), 0.95);
     box-shadow:
         0 0 14px rgba(var(--line-rgb), 0.65),
         0 0 26px rgba(var(--accent-rgb), 0.35);
 }

 :root[data-line-theme="1"] .timeline-arrow {
     border-left-color: rgba(var(--line-rgb), 0.95);
 }

:root[data-line-theme="1"] #eventModal .modal-content {
    background: linear-gradient(135deg, rgba(0, 32, 34, 0.96) 0%, rgba(0, 74, 76, 0.94) 60%, rgba(var(--accent-rgb), 0.18) 100%);
    border: 2px solid rgba(var(--accent-rgb), 0.45);
    box-shadow: 0 0 28px rgba(var(--accent-rgb), 0.22), 0 0 60px rgba(0, 0, 0, 0.55);
}

:root[data-line-theme="1"] #eventModal .modal-header {
    background: linear-gradient(to right, rgba(0, 32, 34, 0.92), rgba(0, 74, 76, 0.88));
    border-bottom: 1px solid rgba(var(--accent-rgb), 0.38);
}

:root[data-line-theme="1"] #eventModal .modal-title {
    color: rgba(255, 255, 255, 0.92);
    text-shadow: 0 0 10px rgba(var(--accent-rgb), 0.25);
    font-weight: 700;
}

:root[data-line-theme="1"] #eventModal .btn-close {
    filter: brightness(0) invert(1);
    opacity: 0.85;
}

:root[data-line-theme="1"] #eventModal .btn-close:hover {
    opacity: 1;
    transform: scale(1.1);
}

:root[data-line-theme="1"] #eventModal .modal-body {
    background: linear-gradient(to bottom, rgba(0, 32, 34, 0.92), rgba(0, 74, 76, 0.86));
    color: rgba(255, 255, 255, 0.88);
}

:root[data-line-theme="2"] #eventModal .modal-content {
    background: linear-gradient(135deg, rgba(6, 26, 18, 0.96) 0%, rgba(10, 44, 28, 0.94) 60%, rgba(var(--accent-rgb), 0.16) 100%);
    border: 2px solid rgba(var(--accent-rgb), 0.5);
    box-shadow: 0 0 30px rgba(var(--accent-rgb), 0.24), 0 0 64px rgba(0, 0, 0, 0.55);
}

:root[data-line-theme="2"] #eventModal .modal-header {
    background: linear-gradient(to right, rgba(6, 26, 18, 0.92), rgba(10, 44, 28, 0.88));
    border-bottom: 1px solid rgba(var(--accent-rgb), 0.42);
}

:root[data-line-theme="2"] #eventModal .modal-title {
    color: rgba(228, 255, 238, 0.95);
    text-shadow: 0 0 12px rgba(var(--accent-rgb), 0.28);
    font-weight: 700;
}

:root[data-line-theme="2"] #eventModal .btn-close {
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

:root[data-line-theme="2"] #eventModal .btn-close:hover {
    opacity: 1;
    transform: scale(1.1);
}

:root[data-line-theme="2"] #eventModal .modal-body {
    background: linear-gradient(to bottom, rgba(6, 26, 18, 0.92), rgba(10, 44, 28, 0.86));
    color: rgba(228, 255, 238, 0.92);
}

 :root[data-line-theme="3"] #eventModal .modal-content {
     background: linear-gradient(135deg, rgba(10, 14, 32, 0.96) 0%, rgba(16, 26, 58, 0.94) 60%, rgba(var(--accent-rgb), 0.16) 100%);
     border: 2px solid rgba(var(--accent-rgb), 0.5);
     box-shadow: 0 0 30px rgba(var(--accent-rgb), 0.22), 0 0 64px rgba(0, 0, 0, 0.55);
 }

 :root[data-line-theme="3"] #eventModal .modal-header {
     background: linear-gradient(to right, rgba(10, 14, 32, 0.92), rgba(16, 26, 58, 0.88));
     border-bottom: 1px solid rgba(var(--accent-rgb), 0.42);
 }

 :root[data-line-theme="3"] #eventModal .modal-title {
     color: rgba(220, 235, 255, 0.95);
     text-shadow: 0 0 12px rgba(var(--accent-rgb), 0.26);
     font-weight: 700;
 }

 :root[data-line-theme="3"] #eventModal .btn-close {
     filter: brightness(0) invert(1);
     opacity: 0.9;
 }

 :root[data-line-theme="3"] #eventModal .btn-close:hover {
     opacity: 1;
     transform: scale(1.1);
 }

 :root[data-line-theme="3"] #eventModal .modal-body {
     background: linear-gradient(to bottom, rgba(10, 14, 32, 0.92), rgba(16, 26, 58, 0.86));
     color: rgba(220, 235, 255, 0.92);
 }

:root[data-line-theme="5"] #eventModal .modal-content {
    background: linear-gradient(135deg, rgba(56, 0, 14, 0.98) 0%, rgba(120, 0, 28, 0.96) 55%, rgba(var(--accent-rgb), 0.22) 100%);
    border: 2px solid rgba(var(--accent-rgb), 0.72);
    box-shadow: 0 22px 70px rgba(0, 0, 0, 0.62), 0 0 42px rgba(var(--accent-rgb), 0.22);
}

:root[data-line-theme="5"] #eventModal .modal-header {
    background: linear-gradient(90deg, rgba(56, 0, 14, 0.96), rgba(var(--accent-rgb), 0.90));
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

:root[data-line-theme="5"] #eventModal .modal-title {
    color: rgba(var(--year-rgb), 0.96);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.55);
    font-weight: 800;
}

:root[data-line-theme="5"] #eventModal .btn-close {
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

:root[data-line-theme="5"] #eventModal .btn-close:hover {
    opacity: 1;
    transform: scale(1.1);
}

:root[data-line-theme="5"] #eventModal .modal-body {
    background: linear-gradient(180deg, rgba(56, 0, 14, 0.94), rgba(120, 0, 28, 0.88));
    color: rgba(var(--year-rgb), 0.92);
}

:root[data-line-theme="5"] #eventModal .modal-body p {
    color: rgba(var(--year-rgb), 0.92);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

:root[data-line-theme="5"] #eventModal .modal-body strong {
    color: rgba(255, 230, 235, 0.98);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

:root[data-line-theme="5"] #eventModal .modal-body img {
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.45);
}

:root[data-line-theme="5"] #eventModal .modal-body::-webkit-scrollbar {
    width: 12px;
}

:root[data-line-theme="5"] #eventModal .modal-body::-webkit-scrollbar-track {
    background: rgba(56, 0, 14, 0.28);
    border-radius: 6px;
}

:root[data-line-theme="5"] #eventModal .modal-body::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, rgba(var(--accent-rgb), 1), rgba(var(--card-border-rgb), 1));
    border-radius: 6px;
    border: 2px solid rgba(56, 0, 14, 0.55);
}

:root[data-line-theme="5"] #eventModal .modal-body::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, rgba(var(--card-border-rgb), 1), rgba(var(--accent-rgb), 1));
}

:root[data-line-theme="5"] #eventModal .carousel-control-prev-icon,
:root[data-line-theme="5"] #eventModal .carousel-control-next-icon {
    filter: drop-shadow(0 0 6px rgba(var(--accent-rgb), 0.85));
}

:root[data-line-theme="5"] #eventModal .carousel-indicators button {
    background-color: rgba(var(--year-rgb), 0.85);
    border: 1px solid rgba(var(--accent-rgb), 0.85);
}

:root[data-line-theme="5"] #eventModal .carousel-indicators button.active {
    background-color: rgba(var(--accent-rgb), 1);
    border: 2px solid rgba(var(--year-rgb), 0.75);
}

:root[data-line-theme="4"] #eventModal .modal-content {
    background: linear-gradient(180deg, rgba(255, 244, 140, 0.98) 0%, rgba(255, 214, 0, 0.98) 55%, rgba(255, 236, 88, 0.98) 100%);
    border: 2px solid rgba(0, 0, 0, 0.22);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.42), 0 0 42px rgba(var(--accent-rgb), 0.35);
}

:root[data-line-theme="4"] #eventModal .modal-header {
    background: linear-gradient(90deg, rgba(255, 244, 140, 0.96), rgba(255, 214, 0, 0.96));
    border-bottom: 2px solid rgba(0, 0, 0, 0.16);
}

:root[data-line-theme="4"] #eventModal .modal-title {
    color: rgba(25, 20, 10, 0.92);
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.45);
    font-weight: bold;
}

:root[data-line-theme="4"] #eventModal .btn-close {
    filter: none;
    opacity: 0.7;
}

:root[data-line-theme="4"] #eventModal .btn-close:hover {
    opacity: 0.9;
    transform: scale(1.1);
}

:root[data-line-theme="4"] #eventModal .modal-body {
    background: linear-gradient(180deg, rgba(255, 255, 210, 0.96), rgba(255, 244, 140, 0.94));
    color: rgba(25, 20, 10, 0.88);
}

:root[data-line-theme="4"] #eventModal .modal-body p {
    color: rgba(25, 20, 10, 0.88);
    text-shadow: none;
}

:root[data-line-theme="4"] #eventModal .modal-body strong {
    color: rgba(25, 20, 10, 0.95);
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.35);
}

:root[data-line-theme="4"] #eventModal .modal-body img {
    box-shadow: 0 3px 10px rgba(var(--accent-rgb), 0.18);
}

:root[data-line-theme="4"] #eventModal .modal-body::-webkit-scrollbar {
    width: 10px;
}

:root[data-line-theme="4"] #eventModal .modal-body::-webkit-scrollbar-track {
    background: rgba(255, 248, 220, 0.5);
    border-radius: 5px;
}

:root[data-line-theme="4"] #eventModal .modal-body::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, rgba(var(--accent-rgb), 0.45), rgba(var(--accent-rgb), 0.75));
    border-radius: 5px;
    border: 1px solid rgba(255, 248, 220, 0.5);
}

:root[data-line-theme="4"] #eventModal .modal-body::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(to bottom, rgba(var(--accent-rgb), 0.7), rgba(var(--accent-rgb), 0.95));
}

:root[data-line-theme="4"] #eventModal .carousel-control-prev-icon,
:root[data-line-theme="4"] #eventModal .carousel-control-next-icon {
    filter: drop-shadow(0 0 3px rgba(var(--accent-rgb), 0.5));
}

:root[data-line-theme="4"] #eventModal .carousel-indicators button {
    background-color: rgba(var(--accent-rgb), 0.5);
    border: 1px solid rgba(var(--accent-rgb), 0.35);
}

:root[data-line-theme="4"] #eventModal .carousel-indicators button.active {
    background-color: rgba(var(--accent-rgb), 0.85);
    border: 2px solid rgba(var(--accent-rgb), 0.5);
}