:root {
    --bg: #0e0e0f;
    --surface: #1a1a1c;
    --border: #2e2e32;
    --text: #e8e6e1;
    --muted: #6b6a68;
    -
    --node-r: 10;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

.body-timeline {
    background: white;
    color: var(--text);
    font-family: "DM Mono", monospace;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 48px 24px 80px;
}

.form-table, .form-table td {
    border: 1px solid black;
    border-collapse: collapse;
    padding: 15px;
    color: black;
    font-family: 'DM Mono', monospace;
    font-size: 14px;
}

.timeline-table, .timeline-table td {
    border: 1px solid black;
    border-collapse: collapse;
    font-family: 'DM Mono', monospace;
    font-size: 14px;
    padding:10px;
}

#chart-wrap {
    width: 100%;
    height: 100%;
    background: white;
    margin-top: 100px;
    padding: 32px 24px 24px;
    overflow-x: auto;
    position: relative;

    display: flex;
    justify-content: center;
    align-items: center;
}

svg#timeline {
    display: block;
    overflow: visible;
}

/* Grid lines */
.grid-line {
    stroke: black;
    stroke-width: 1;

}

.button-container {
    display: flex;
    gap: 10px;
    justify-content: center;

}

#grid-toggle-btn {
    margin-top: 28px;
    background: none;
    border: 1px solid rgb(23, 61, 245);
    color: black;
    font-family: 'DM Mono', monospace;
    font-size: 12px;
    padding: 10px 20px;
    cursor: pointer;

    margin-left: 10px;
    transition: border-color 0.2s, color 0.2s;
}
#grid-toggle-btn:hover { border-color: var(--accent); color: var(--accent); }

#line-toggle-btn {
    margin-top: 28px;
    background: none;
    border: 1px solid rgb(23, 61, 245);
    color: black;
    font-family: 'DM Mono', monospace;
    font-size: 12px;
    padding: 10px 20px;
    cursor: pointer;

    margin-left: 10px;
    transition: border-color 0.2s, color 0.2s;
}
#line-toggle-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Add node button */
#add-btn {
    margin-top: 28px;
    background: none;
    border: 1px solid  rgb(23, 61, 245);
    color: black;
    font-family: 'DM Mono', monospace;
    font-size: 12px;
    padding: 10px 20px;
    cursor: pointer;

    transition: border-color 0.2s, color 0.2s;
}
#add-btn:hover {
    background-color: rgb(23, 61, 245);
    color: white;
    border-color: rgb(23, 61, 245); }


/* Category labels */
.cat-label {
    font-family: 'DM Mono', monospace;
    font-size: 15px;
    fill: black;
    text-anchor: end;
    dominant-baseline: middle;
    letter-spacing: 0.05em;
}

/* Year labels */
.year-label {
    font-family: 'DM Mono', monospace;
    font-size: 15px;
    fill: black;
    text-anchor: middle;
    letter-spacing: 0.05em;
}

/* Nodes */
.node-circle {
    cursor: pointer;
    transition: r 0.15s ease, filter 0.15s ease;

}
.node-circle:hover {
    filter: drop-shadow(0 0 8px currentColor);
}

.node-pulse {
    pointer-events: none;
    opacity: 0;
}
.node-pulse.pulsing {
    animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
    0% { r: 20; opacity: 0.6; }
    100% { r: 36; opacity: 0; }
}

/* Popup overlay */
#overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.15);
    z-index: 100;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}
#overlay.open { display: flex; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

#popup {
    background: white;
    max-width: 560px;
    overflow: hidden;
    animation: slideUp 0.22s cubic-bezier(.22,.68,0,1.2);
    position: relative;
}
@keyframes slideUp { from { transform: translateY(16px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

#popup-header {
    background: rgb(23, 61, 245);;
    font: white;
    padding: 6px 16px;
    font-family: 'DM Mono', monospace;
    font-size: 15px;
    letter-spacing: 0.12em;
    text-transform: uppercase;

}

#close-btn {
    position: absolute;
    top: 10px;
    right: 14px;
    background: none;
    border: none;
    color: #0e0e0f;
    font-size: 18px;
    cursor: pointer;
    line-height: 1;
    opacity: 0.7;
}
#close-btn:hover { opacity: 1; }

.timeline-popup-header {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: black;
    padding: 8px 16px;
    border-bottom: 1px solid black;
}

.timeline-item-date {
    font-family: 'DM Mono', monospace;
    color: black;
    padding: 16px 16px 8px;
    vertical-align: top;
    line-height: 1.4;
    border-bottom: 1px solid black;  /* ← added */
}

.timeline-item-date-sub {
    font-size: 0.75rem;
    color: #6b6a68;
    font-weight: 300;
}



.timeline-item-text {
    font-size: 0.875rem;
    color: black;

}

.media-cell {
    padding: 0;
    overflow: hidden;
}

.media-cell img {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 220px;
    object-fit: cover;
    display: block;
    border: none;
}

.source-cell {
    font-family: 'DM Mono', monospace;
    font-size: 10px;
    color: black;
    word-break: break-all;
}


.source-cell a:hover {
    background: rgb(23, 61, 245);
    color: white;
}



/* Add Node Modal */
#form-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 200;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(1px);
    animation: fadeIn 0.2s ease;
}
#form-overlay.open { display: flex; }

#form-modal {
    background: white;
    width: 90%;
    max-width: 480px;
    overflow: hidden;
    animation: slideUp 0.22s cubic-bezier(.22,.68,0,1.2);

}

#form-close-btn {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    opacity: 0.7;
    margin-left: 5px;

}
#form-close-btn:hover { opacity: 1; }

#form-body {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-field input,
.form-field textarea,
.form-field select {
    background: white;
    border: none;
    color: black;
    font-family: 'DM Mono', monospace;
    outline: none;
    transition: border-color 0.2s;
    resize: none;
}
.f-te
.form-field select option { background: var(--surface); }


.btn-cancel {
    background: none;
    border: none;
    font-family: 'DM Mono', monospace;
    cursor: pointer;
}
.btn-cancel:hover {
    background: rgb(23, 61, 245);
    color: white;
}

.btn-send {
    background: var(--accent);
    border: none;
    font-family: 'DM Mono', monospace;
    cursor: pointer;

}
.btn-send:hover {
    background: rgb(23, 61, 245);
    color: white;
}

#line-example {
    align-self: flex-start;
    margin-left: 24px;
}

.line-example-table, .line-example-table td {
    border: 1px solid rgb(23, 61, 245);
    color: black;
    border-collapse: collapse;
    font-family: 'DM Mono', monospace;
    font-size: 14px;
    padding:5px;
    margin-top: 40px;
    max-width: 650px ;
}
textarea, input {
    border: none;
    color: black;
    padding:15px;
}