/* uFEM Web GUI CSS */

:root {
    --bg-dark: #121417;
    --bg-panel: #1a1d24;
    --bg-panel-header: #222630;
    --bg-hover: #2d3240;
    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --border-color: #2e3545;
    --console-bg: #0d0f12;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body, html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--bg-dark);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
}

/* Header & Navigation Bar */
#top-bar {
    height: 42px;
    background-color: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 16px;
    user-select: none;
    position: relative;
    z-index: 1000;
    overflow: visible !important;
}

.logo {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    font-size: 16px;
    color: var(--accent-blue);
    margin-right: 24px;
}

.version-tag {
    font-size: 11px;
    background-color: var(--bg-hover);
    color: var(--text-muted);
    padding: 2px 6px;
    border-radius: 4px;
}

.main-menu {
    display: flex;
    gap: 4px;
    overflow: visible !important;
}

.menu-item {
    position: relative;
    padding: 6px 12px;
    font-size: 13px;
    border-radius: 4px;
    cursor: pointer;
    overflow: visible !important;
}

.menu-item:hover,
.menu-item.active {
    background-color: var(--bg-hover);
}

.menu-item:hover .dropdown,
.menu-item.active .dropdown {
    display: flex !important;
}

.dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-panel-header);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    min-width: 220px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.6);
    padding: 6px;
    flex-direction: column;
    z-index: 2000;
    pointer-events: auto;
}





.dropdown button {
    background: none;
    border: none;
    color: var(--text-main);
    padding: 8px 12px;
    text-align: left;
    font-size: 13px;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
}

.dropdown button:hover {
    background-color: var(--accent-blue);
}

.dropdown .divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 4px 0;
}

.dropdown .menu-subtitle {
    font-size: 10px;
    font-weight: bold;
    text-transform: uppercase;
    color: var(--accent-blue);
    padding: 4px 8px 2px 8px;
    letter-spacing: 0.5px;
}

.status-indicator {
    margin-left: auto;
    font-size: 12px;
    color: var(--text-muted);
}

/* Workspace Layout */
#workspace {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
}

/* Left Explorer & Commands Panel */
#explorer-panel {
    width: 280px;
    background-color: var(--bg-panel);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: width 0.2s ease, margin-left 0.2s ease;
    z-index: 900;
}

#explorer-panel.collapsed {
    display: none !important;
}

@media (max-width: 768px) {
    #explorer-panel {
        position: absolute;
        top: 0;
        bottom: 0;
        left: 0;
        width: 85%;
        max-width: 320px;
        box-shadow: 4px 0 16px rgba(0,0,0,0.7);
    }
}

.panel-tabs {
    display: flex;
    background-color: var(--bg-panel-header);
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    flex: 1;
    padding: 8px 12px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2px solid transparent;
}

.tab-btn:hover {
    color: var(--text-main);
}

.tab-btn.active {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
    background-color: var(--bg-panel);
}

.tab-content {
    display: none;
    flex: 1;
    flex-direction: column;
    overflow: hidden;
}

.tab-content.active {
    display: flex;
}

.cmd-category {
    margin-bottom: 12px;
}

.category-header {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    padding: 4px 8px;
    margin-bottom: 4px;
}

.cmd-item {
    padding: 5px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.cmd-item:hover {
    background-color: var(--bg-hover);
    color: var(--accent-blue);
}

.cmd-item code {
    font-family: monospace;
    font-weight: 700;
    color: #38bdf8;
}

.cmd-action {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: bold;
    display: inline-block;
}

.cmd-action.add { background: rgba(34, 197, 94, 0.2); color: #4ade80; border: 1px solid rgba(34, 197, 94, 0.4); }
.cmd-action.edit { background: rgba(56, 189, 248, 0.2); color: #38bdf8; border: 1px solid rgba(56, 189, 248, 0.4); }
.cmd-action.plot { background: rgba(168, 85, 247, 0.2); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.4); }
.cmd-action.list { background: rgba(245, 158, 11, 0.2); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.4); }
.cmd-action.delete { background: rgba(239, 68, 68, 0.2); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.4); }
.cmd-action.save { background: rgba(236, 72, 153, 0.2); color: #f472b6; border: 1px solid rgba(236, 72, 153, 0.4); }

.panel-header {
    height: 36px;
    background-color: var(--bg-panel-header);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
}

.panel-header h3 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
}

.tree-view {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
    font-size: 13px;
}

.tree-node {
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
}

.tree-node:hover {
    background-color: var(--bg-hover);
}

/* Viewport Panel */
#viewport-panel {
    flex: 1;
    position: relative;
    background-color: #050608;
}

#webgl-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

#viewport-overlay {
    position: absolute;
    top: 12px;
    right: 12px;
    pointer-events: none;
}

.view-controls {
    pointer-events: auto;
    display: flex;
    gap: 6px;
    background: rgba(26, 29, 36, 0.8);
    backdrop-filter: blur(8px);
    padding: 6px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.result-legend-box {
    position: absolute;
    bottom: 70px;
    right: 20px;
    z-index: 1500;
    pointer-events: auto;
}

.color-legend-card {
    pointer-events: auto;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 8px;
    padding: 12px 16px;
    color: #f8fafc;
    font-family: monospace;
    font-size: 11px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.6);
}


.legend-title {
    font-weight: bold;
    margin-bottom: 8px;
    color: #38bdf8;
    text-align: center;
    font-size: 12px;
}

.legend-body {
    display: flex;
    align-items: center;
    gap: 12px;
}

.legend-gradient {
    width: 16px;
    height: 120px;
    background: linear-gradient(to bottom, #ef4444, #eab308, #22c55e, #06b6d4, #3b82f6);
    border-radius: 3px;
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.legend-labels {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 120px;
    white-space: nowrap;
}

.view-controls button {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 4px 8px;
    font-size: 12px;
    border-radius: 4px;
    cursor: pointer;
}

.view-controls button:hover {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
}

/* Console Panel */
#console-panel {
    height: 180px;
    background-color: var(--console-bg);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.console-output {
    flex: 1;
    overflow-y: auto;
    padding: 8px 12px;
    font-family: "Cascadia Code", "Fira Code", Monaco, Consolas, monospace;
    font-size: 12px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

.log-line {
    white-space: pre-wrap;
    word-break: break-word;
}
.log-line.info { color: #38bdf8; }
.log-line.error { color: #f87171; }
.log-line.success { color: #4ade80; }

.console-prompt {
    height: 36px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 12px;
    background-color: var(--bg-panel);
}

.prompt-symbol {
    font-family: monospace;
    font-weight: 700;
    color: var(--accent-blue);
    margin-right: 8px;
}

#cmd-input {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-main);
    font-family: monospace;
    font-size: 13px;
    outline: none;
}

.console-prompt button {
    background-color: var(--accent-blue);
    color: white;
    border: none;
    padding: 4px 12px;
    font-size: 12px;
    border-radius: 4px;
    cursor: pointer;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    z-index: 200000;
    pointer-events: auto;
    align-items: center;
    justify-content: center;
}


.modal.active { display: flex; }

.modal-content {
    background-color: var(--bg-panel-header);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    width: 400px;
    box-shadow: 0 12px 24px rgba(0,0,0,0.5);
}

.form-group select {
    width: 100%;
    padding: 8px;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

.gfem-modal-card {
    background-color: #1a2234;
    border: 1px solid #2b3a55;
    border-radius: 8px;
    padding: 0;
    width: 440px;
    box-shadow: 0 16px 36px rgba(0,0,0,0.7);
    overflow: hidden;
}

.gfem-modal-header {
    background-color: #0f172a;
    padding: 12px 16px;
    border-bottom: 1px solid #2b3a55;
    display: flex;
    align-items: center;
    gap: 8px;
}

.gfem-modal-header h3 {
    margin: 0;
    font-size: 13px;
    font-weight: 700;
    color: #38bdf8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gfem-dialog-body {
    padding: 16px 20px;
}

.gfem-fieldset {
    border: 1px solid #2b3a55;
    border-radius: 6px;
    padding: 12px 14px;
    margin-bottom: 14px;
    background: rgba(15, 23, 42, 0.4);
}

.gfem-fieldset legend {
    font-size: 11px;
    font-weight: bold;
    color: #38bdf8;
    padding: 0 6px;
    text-transform: uppercase;
}

.gfem-actions {
    padding: 12px 16px;
    background-color: #0f172a;
    border-top: 1px solid #2b3a55;
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.file-browser-list {
    max-height: 180px;
    overflow-y: auto;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 4px;
}

.file-item {
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    font-family: monospace;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 6px;
}

.file-item:hover {
    background-color: var(--bg-hover);
    color: var(--accent-blue);
}

.file-item.selected {
    background-color: #1e3a8a;
    color: #ffffff;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.modal-actions button {
    padding: 6px 14px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    background-color: var(--accent-blue);
    color: white;
}

.modal-actions .btn-secondary {
    background-color: var(--bg-hover);
    color: var(--text-main);
}

/* Tree Explorer Styling */
.tree-cat-card {
    margin-bottom: 6px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.tree-cat-header {
    display: flex;
    align-items: center;
    padding: 6px 10px;
    cursor: pointer;
    background: rgba(30, 41, 59, 0.6);
    user-select: none;
    gap: 6px;
}

.tree-cat-header:hover {
    background: var(--bg-hover);
}

.tree-toggle-icon {
    font-size: 10px;
    color: var(--accent-blue);
    width: 14px;
}

.tree-cat-title {
    font-weight: 600;
    font-size: 12px;
    flex-grow: 1;
    color: #e2e8f0;
}

.tree-action-toolbar {
    display: flex;
    gap: 4px;
    margin-left: auto;
}

.tree-btn-sm {
    background: rgba(51, 65, 85, 0.8);
    color: #94a3b8;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    font-size: 10px;
    padding: 2px 6px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.tree-btn-sm:hover {
    background: var(--accent-blue);
    color: #ffffff;
    border-color: var(--accent-blue);
}

/* Compact Explorer Mode: Hide text labels on buttons */
.tree-view.compact .act-label {
    display: none;
}

.tree-view.compact .tree-btn-sm {
    padding: 2px 4px;
    font-size: 11px;
}



.tree-items-list {
    background: #0f172a;
    border-top: 1px solid var(--border-color);
    padding: 4px 0;
    max-height: 220px;
    overflow-y: auto;
}

.tree-item-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 10px 4px 24px;
    font-size: 11px;
    font-family: monospace;
    color: #cbd5e1;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
}

.tree-item-row:hover {
    background: rgba(51, 65, 85, 0.4);
    color: #ffffff;
}

.tree-item-row.selected {
    background: #1e3a8a;
    color: #ffffff;
    font-weight: bold;
    border-left: 3px solid #38bdf8;
}


.tree-item-label {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tree-item-actions {
    display: flex;
    gap: 4px;
    opacity: 0.6;
}

.tree-item-row:hover .tree-item-actions {
    opacity: 1.0;
}

.tree-btn-xs {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 11px;
    padding: 1px 3px;
    border-radius: 2px;
}

.tree-btn-xs:hover {
    background: rgba(255, 255, 255, 0.2);
}