@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&family=Consolas&display=swap');

:root {
    --bg-dark: #1a1d21;
    --node-bg: #2a2c30;
    --border-color: #4f5255;
    --text-light: #e1e1e3;
    --text-dark: #8f9295;
    --accent-green: #4ade80;
    --accent-green-hover: #22c55e;
    --accent-red: #f43f5e;
    --accent-orange: #f97316;
    --accent-orange-hover: #ea580c;
    --accent-cyan: #22d3ee;
    --accent-cyan-hover: #06b6d4;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-dark);
    color: var(--text-light);
    overflow: hidden;
    user-select: none;
}

#graph-container {
    width: 100vw;
    height: 100vh;
    position: relative;
    overflow: hidden;
    background-image: radial-gradient(var(--border-color) 1px, transparent 1px);
    background-size: 25px 25px;
    cursor: grab;
}

#graph-container:active {
    cursor: grabbing;
}

#world-container {
    width: 100%;
    height: 100%;
    position: relative;
    transform-origin: 0 0;
}

.node {
    position: absolute;
    background-color: var(--node-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px;
    cursor: grab;
    min-width: 240px;
    min-height: 180px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 10;
    transition: box-shadow 0.2s, border-color 0.2s;
    resize: both;
    overflow: auto;
}

.node:active {
    cursor: grabbing;
    border-color: var(--accent-green);
    box-shadow: 0 0 15px rgba(74, 222, 128, 0.3);
}

.node.selected {
    border-color: var(--accent-green);
    box-shadow: 0 0 0 2px var(--accent-green), 0 10px 20px rgba(0, 0, 0, 0.4);
}

.node-header {
    font-weight: bold;
    padding-bottom: 5px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-light);
}

.node-params {
    padding: 8px 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.9em;
}

.param-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    gap: 10px;
}

.param-row.has-key-port {
    padding-left: 15px;
}

.param-row label {
    color: var(--text-dark);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border-color);
    transition: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent-green);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

/* Number/Text Input */
.param-input {
    background-color: #1f2124;
    border: 1px solid var(--border-color);
    color: var(--text-light);
    border-radius: 4px;
    padding: 4px 8px;
    width: 100%;
}

.param-input:disabled {
    background-color: #333;
    color: var(--text-dark);
    cursor: not-allowed;
}

.node-text {
    width: 100%;
    min-height: 80px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 8px;
    resize: none;
    box-sizing: border-box;
    font-family: 'Consolas', 'Courier New', Courier, monospace;
    background-color: #1f2124;
    color: var(--text-light);
    word-break: break-all;
    flex-grow: 1;
}

.node-text:focus {
    outline: none;
    border-color: var(--accent-green);
}

.node-text[readonly] {
    background-color: #242629;
    color: var(--text-dark);
}

.io-ports-container {
    display: flex;
    justify-content: space-between;
}

.input-ports, .output-ports {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
    justify-content: center;
    position: relative;
}

.node-port {
    width: 16px;
    height: 16px;
    background-color: var(--border-color);
    border: 2px solid var(--node-bg);
    border-radius: 50%;
    cursor: crosshair;
    box-shadow: none;
    transition: background-color 0.2s;
}

.node-port.key-port {
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 14px;
    height: 14px;
    border-radius: 4px;
}

.node-port:hover {
    background-color: var(--accent-green);
}

.node-port.connected {
    background-color: var(--accent-green);
}

#connection-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
}

.connection-line {
    stroke: var(--accent-green);
    stroke-width: 3px;
    fill: none;
    pointer-events: stroke;
    transition: stroke-width 0.2s, stroke 0.2s;
    opacity: 0.95;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.8));
}

.connection-line:hover {
    stroke: var(--accent-red);
    stroke-width: 5px;
    cursor: pointer;
    opacity: 1;
    filter: drop-shadow(0 0 6px rgba(255, 68, 68, 0.9));
}

.temp-line {
    stroke: var(--accent-green);
    stroke-width: 3px;
    stroke-dasharray: 6,6;
    fill: none;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.8));
}

.controls-container {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 100;
    display: flex;
    gap: 10px;
    align-items: center;
    background-color: rgba(42, 44, 48, 0.8);
    backdrop-filter: blur(5px);
    padding: 8px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.controls-container button {
    background-color: var(--accent-green);
    color: var(--bg-dark);
    font-weight: bold;
    padding: 8px 14px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s, color 0.2s;
}

.controls-container button:hover {
    background-color: var(--accent-green-hover);
}

#node-picker-container {
    position: relative;
}

#node-picker-menu {
    display: none;
    position: absolute;
    top: 48px;
    left: 0;
    width: 360px;
    max-height: 520px;
    background-color: var(--node-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.7);
    z-index: 200;
    overflow: hidden;
    flex-direction: column;
}

#node-picker-menu.show {
    display: flex;
}

.node-picker-search-container {
    padding: 10px 12px;
    background-color: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

#node-picker-search {
    width: 100%;
    padding: 9px 12px;
    background-color: #16181b;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-light);
    font-size: 0.88rem;
    box-sizing: border-box;
}

#node-picker-search:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 6px rgba(0, 255, 136, 0.35);
}

#node-picker-groups {
    overflow-y: auto;
    max-height: 450px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex-shrink: 1;
}

.picker-group {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
}

.picker-group-header {
    background-color: #24272c;
    padding: 10px 14px;
    min-height: 40px;
    box-sizing: border-box;
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    transition: background-color 0.2s;
    color: var(--text-light);
    line-height: 1.3;
}

.picker-group-header:hover {
    background-color: #2f333a;
}

.picker-group-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.picker-group-badge {
    font-size: 0.72rem;
    background-color: rgba(255, 255, 255, 0.12);
    color: var(--text-light);
    padding: 2px 7px;
    border-radius: 10px;
}

.picker-group-arrow {
    font-size: 0.72rem;
    transition: transform 0.2s;
    color: var(--text-dark);
}

.picker-group.collapsed .picker-group-items {
    display: none;
}

.picker-group.collapsed .picker-group-arrow {
    transform: rotate(-90deg);
}

.picker-group-items {
    display: flex;
    flex-direction: column;
    background-color: #17191c;
    padding: 6px;
    gap: 4px;
}

.picker-node-item {
    padding: 8px 12px;
    border-radius: 5px;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    color: var(--text-light);
    display: flex;
    flex-direction: column;
    gap: 3px;
    transition: background-color 0.15s, color 0.15s;
}

.picker-node-item:hover {
    background-color: var(--accent-green);
    color: var(--bg-dark);
}

.picker-node-item .node-desc {
    font-size: 0.73rem;
    color: var(--text-dark);
    line-height: 1.3;
    font-weight: normal;
}

.picker-node-item:hover .node-desc {
    color: var(--bg-dark);
    opacity: 0.88;
}

.header-buttons {
    display: flex;
    align-items: center;
    gap: 4px;
}

.delete-node-btn, .refresh-node-btn, .duplicate-node-btn, .info-node-btn {
    background: none;
    border: none;
    color: var(--text-dark);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 2px 4px;
    border-radius: 4px;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.delete-node-btn:hover, .refresh-node-btn:hover, .duplicate-node-btn:hover, .info-node-btn:hover {
    color: var(--accent-red);
}

.refresh-node-btn:hover, .duplicate-node-btn:hover, .info-node-btn:hover {
    color: var(--accent-green);
}

#zoom-controls {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

#zoom-controls button {
    background-color: var(--node-bg);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    width: 40px;
    height: 40px;
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-bottom: 4px;
}

#zoom-controls button:first-child {
    border-radius: 8px 8px 0 0;
}

#zoom-controls button:last-child {
    border-radius: 0 0 8px 8px;
}

#zoom-controls button:hover {
    background-color: var(--accent-green);
    color: var(--bg-dark);
}

/* Options Menu */
#options-container {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 101;
}

#options-btn {
    background-color: var(--node-bg);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    width: 40px;
    height: 40px;
    font-size: 24px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
}

#options-btn:hover {
    background-color: var(--accent-green);
    color: var(--bg-dark);
}

#options-menu {
    display: none;
    position: absolute;
    bottom: 50px;
    left: 0;
    background-color: var(--node-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px;
    min-width: 250px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

#options-menu.show {
    display: block;
}

.options-menu-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 0.9rem;
}

.options-menu-item:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
    margin-bottom: 8px;
}

.menu-description-text {
    font-size: 0.75rem;
    color: var(--text-dark);
    padding-top: 8px;
    text-align: left;
    line-height: 1.4;
}

.menu-description-text a {
    color: var(--accent-cyan);
    text-decoration: underline;
}

.menu-description-text a:hover {
    color: var(--accent-cyan-hover);
}

#clear-all-btn, #save-state-btn, #load-state-btn {
    width: 100%;
    background-color: var(--accent-orange);
    color: var(--text-light);
    font-weight: bold;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s;
}

#clear-all-btn {
    background-color: var(--accent-orange);
    color: var(--bg-dark);
}

#clear-all-btn:hover {
    background-color: var(--accent-orange-hover);
}

#save-state-btn {
    background-color: var(--accent-green);
    color: var(--bg-dark);
}

#save-state-btn:hover {
    background-color: var(--accent-green-hover);
}

#load-state-btn {
    background-color: var(--node-bg);
}

#load-state-btn:hover {
    background-color: var(--border-color);
}

.options-label-toggle {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.version-text {
    font-size: 0.7rem;
    font-style: italic;
    color: var(--text-dark);
    text-align: right;
    width: 100%;
    padding-right: 5px;
    margin-top: 5px;
}

.spacing-controls {
    display: flex;
    gap: 4px;
}

.spacing-controls button {
    font-size: 1rem;
    background-color: var(--border-color);
    color: var(--text-light);
    width: 24px;
    height: 24px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
}

.spacing-controls button:hover {
    background-color: var(--accent-green);
    color: var(--bg-dark);
}

/* Info Modal */
#info-modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0,0,0,0.6);
    backdrop-filter: blur(3px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

#info-modal-overlay.show {
    display: flex;
}

#info-modal {
    background-color: var(--node-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    max-width: 500px;
    width: 90%;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

#modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 15px;
}

#modal-title {
    font-size: 1.25rem;
    font-weight: bold;
}

#modal-close-btn {
    background: none;
    border: none;
    color: var(--text-dark);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.2s;
}

#modal-close-btn:hover {
    color: var(--accent-red);
}

#modal-body {
    line-height: 1.6;
}

#modal-wiki-link {
    display: block;
    margin-top: 15px;
    color: var(--accent-cyan);
    text-decoration: underline;
}

#modal-wiki-link:hover {
    color: var(--accent-cyan-hover);
}

/* Selection Marquee Box */
#selection-marquee {
    position: absolute;
    border: 1px dashed var(--accent-green);
    background-color: rgba(74, 222, 128, 0.15);
    pointer-events: none;
    z-index: 50;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-green);
}