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

:root {
    --cyan: #00ffff;
    --cyan-dim: #00ffff88;
    --cyan-faint: #00ffff22;
    --cyan-glow: #00ffff44;
    --bg-dark: #000508;
    --bg-sidebar: #000a10;
    --bg-card: #001018;
    --bg-card-hover: #001520;
    --bg-card-active: #002030;
    --bg-input: rgba(0, 20, 30, 0.9);
    --border: #00ffff33;
    --text-dim: #00ffff88;
    --text-faint: #00ffff44;
    --accent-warm: #ff6600;
    --accent-green: #00ff88;
    --accent-purple: #aa66ff;
    --sidebar-width: 340px;
    --font: 'Courier New', 'Fira Code', monospace;
}

body {
    overflow: hidden;
    background: var(--bg-dark);
    font-family: var(--font);
    color: var(--cyan);
    display: flex;
    height: 100vh;
}

/* ==================== SIDEBAR ==================== */
#sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 20;
    order: 0;
}

#sidebar-header {
    padding: 20px 16px 12px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

#sidebar-header h1 {
    font-size: 14px;
    font-weight: 300;
    letter-spacing: 6px;
    line-height: 1.4;
    text-shadow: 0 0 15px var(--cyan-glow);
}

#header-controls {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
}

#lang-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--cyan);
    font-family: var(--font);
    font-size: 10px;
    letter-spacing: 1px;
    padding: 2px 8px;
    cursor: pointer;
    border-radius: 3px;
    transition: background 0.2s, border-color 0.2s;
}

#lang-toggle:hover {
    background: var(--cyan-faint);
    border-color: var(--cyan-dim);
}

#server-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 9px;
    letter-spacing: 1px;
    opacity: 0.7;
}

#server-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ff3333;
    box-shadow: 0 0 6px #ff3333;
}

#server-dot.online {
    background: var(--accent-green);
    box-shadow: 0 0 6px var(--accent-green);
}

#new-card-btn {
    width: calc(100% - 32px);
    margin: 12px 16px;
    padding: 10px;
    background: var(--cyan-faint);
    border: 1px dashed var(--border);
    border-radius: 6px;
    color: var(--cyan-dim);
    font-family: var(--font);
    font-size: 11px;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.2s;
}

#new-card-btn:hover {
    background: var(--cyan-glow);
    border-color: var(--cyan-dim);
    color: var(--cyan);
}


/* ==================== RIGHT PANEL (Parameters) ==================== */
#right-panel {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    border-left: 1px solid var(--border);
    overflow-y: auto;
    z-index: 20;
    order: 2;
}

#right-panel #card-detail {
    max-height: none;
    border-top: none;
}

/* ==================== CARD LIST ==================== */
#card-list {
    flex: 1;
    overflow-y: auto;
    padding: 4px 8px;
}

.sim-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 14px;
    margin-bottom: 6px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}

.sim-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--cyan-dim);
}

.sim-card.active {
    background: var(--bg-card-active);
    border-color: var(--cyan);
    box-shadow: 0 0 12px var(--cyan-faint), inset 0 0 8px var(--cyan-faint);
}

.sim-card .card-name {
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 1px;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sim-card .card-prompt {
    font-size: 10px;
    color: var(--text-dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 6px;
}

.sim-card .card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 9px;
    color: var(--text-faint);
}

.sim-card .card-tags {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.card-tag {
    background: var(--cyan-faint);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 1px 5px;
    font-size: 8px;
    letter-spacing: 0.5px;
}

.sim-card .card-actions {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.2s;
}

.sim-card:hover .card-actions {
    opacity: 1;
}

.card-action-btn {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text-dim);
    font-size: 10px;
    width: 22px;
    height: 22px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    font-family: var(--font);
}

.card-action-btn:hover {
    color: var(--cyan);
    border-color: var(--cyan);
}

.card-action-btn.delete:hover {
    color: #ff4444;
    border-color: #ff4444;
}

/* ==================== CARD DETAIL PANEL ==================== */
#card-detail {
    border-top: 1px solid var(--border);
    overflow-y: auto;
    max-height: 55vh;
    flex-shrink: 0;
}

#card-detail.hidden {
    display: none;
}

#detail-divider {
    padding: 8px 16px;
    font-size: 9px;
    letter-spacing: 3px;
    color: var(--text-dim);
    text-align: center;
    background: linear-gradient(90deg, transparent, var(--cyan-faint), transparent);
}

.section-title {
    padding: 10px 16px;
    font-size: 10px;
    letter-spacing: 3px;
    font-weight: bold;
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 6px;
    border-bottom: 1px solid var(--cyan-faint);
    transition: background 0.15s;
}

.section-title:hover {
    background: var(--cyan-faint);
}

.toggle-icon {
    font-size: 8px;
    transition: transform 0.2s;
}

.section-title.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

/* ==================== PHYSICS PARAMS ==================== */
#physics-params,
#env-params {
    padding: 8px 16px 12px;
}

#physics-params.collapsed,
#env-params.collapsed {
    display: none;
}

.param-group {
    display: grid;
    grid-template-columns: 72px 1fr 48px;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
}

.param-group label {
    font-size: 9px;
    letter-spacing: 1px;
    color: var(--text-dim);
}

.param-group input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 3px;
    background: var(--border);
    border-radius: 2px;
    outline: none;
}

.param-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--cyan);
    cursor: pointer;
    box-shadow: 0 0 6px var(--cyan-glow);
}

.param-value {
    font-size: 10px;
    text-align: right;
    color: var(--cyan-dim);
    font-variant-numeric: tabular-nums;
}

/* ==================== MATERIAL INFO ==================== */
.info-box {
    background: rgba(0, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 6px 8px;
    margin: 4px 0 8px;
    font-size: 10px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 1px 0;
    color: var(--cyan-dim);
}

.info-row span:first-child {
    font-style: italic;
    min-width: 20px;
    color: var(--cyan);
}

/* ==================== CONTRIBUTE ==================== */
.contribute-desc {
    font-size: 10px;
    color: var(--text-dim);
    margin-bottom: 8px;
    line-height: 1.5;
}

.text-input {
    width: 100%;
    background: var(--bg-input);
    color: var(--cyan);
    border: 1px solid var(--border);
    padding: 4px 6px;
    font-size: 11px;
    font-family: var(--font);
    border-radius: 3px;
    resize: vertical;
}

.text-input:focus {
    outline: none;
    border-color: var(--cyan-dim);
}

textarea.text-input {
    min-height: 60px;
}

#contrib-submit-btn {
    width: 100%;
    padding: 8px;
    margin-top: 8px;
    background: rgba(0, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--cyan);
    font-family: var(--font);
    font-size: 11px;
    letter-spacing: 1px;
    cursor: pointer;
    border-radius: 3px;
    transition: background 0.2s;
}

#contrib-submit-btn:hover {
    background: rgba(0, 255, 255, 0.15);
}

#contrib-status {
    font-size: 10px;
    margin-top: 6px;
    color: var(--accent-green);
    min-height: 14px;
}

/* ==================== VISUAL SETTINGS ==================== */
#visual-params select {
    width: 100%;
    background: var(--bg-input);
    color: var(--cyan);
    border: 1px solid var(--border);
    padding: 4px 6px;
    font-size: 11px;
    font-family: var(--font);
    border-radius: 3px;
    cursor: pointer;
}

#visual-params select:focus {
    outline: none;
    border-color: var(--cyan-dim);
}

.param-group input[type="color"] {
    width: 100%;
    height: 24px;
    border: 1px solid var(--border);
    background: var(--bg-input);
    cursor: pointer;
    border-radius: 3px;
    padding: 1px;
}

.param-group input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 1px;
}

.param-group input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 2px;
}

/* ==================== AI CHAT ==================== */
#chat-container {
    display: flex;
    flex-direction: column;
    height: 220px;
}

#chat-container.collapsed {
    display: none;
}

#chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 8px 12px;
}

.chat-msg {
    margin-bottom: 8px;
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 11px;
    line-height: 1.5;
    max-width: 95%;
}

.chat-msg.user {
    background: var(--cyan-faint);
    border: 1px solid var(--border);
    margin-left: auto;
    text-align: right;
}

.chat-msg.assistant {
    background: rgba(0, 255, 136, 0.08);
    border: 1px solid rgba(0, 255, 136, 0.2);
    color: var(--accent-green);
}

.chat-msg.system {
    background: rgba(170, 102, 255, 0.08);
    border: 1px solid rgba(170, 102, 255, 0.2);
    color: var(--accent-purple);
    font-size: 10px;
    text-align: center;
}

#chat-input-area {
    display: flex;
    gap: 6px;
    padding: 8px 12px;
    border-top: 1px solid var(--cyan-faint);
}

#chat-input {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px 10px;
    font-family: var(--font);
    font-size: 11px;
    color: var(--cyan);
    outline: none;
}

#chat-input:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 8px var(--cyan-faint);
}

#chat-send-btn {
    background: var(--cyan-faint);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--cyan);
    width: 34px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
}

#chat-send-btn:hover {
    background: var(--cyan-glow);
    border-color: var(--cyan);
}

/* ==================== MAIN CONTENT ==================== */
#main-content {
    flex: 1;
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    order: 1;
}

#top-bar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    pointer-events: none;
}

#stats {
    font-size: 12px;
    opacity: 0.7;
}

#stats span {
    margin-right: 15px;
}

#quality-badge {
    background: var(--cyan-faint);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 1px 6px;
    font-size: 9px;
    letter-spacing: 1px;
    cursor: pointer;
    pointer-events: auto;
    transition: all 0.15s;
}

#quality-badge:hover {
    border-color: var(--cyan);
    background: var(--cyan-glow);
}

#quality-badge.low { color: #ff8844; border-color: #ff884444; }
#quality-badge.medium { color: #ffff44; border-color: #ffff4444; }
#quality-badge.high { color: var(--accent-green); border-color: rgba(0,255,136,0.3); }

#status-bar {
    display: flex;
    gap: 20px;
    font-size: 11px;
    opacity: 0.6;
}

#status {
    text-transform: uppercase;
    letter-spacing: 2px;
}

#canvas-container {
    flex: 1;
    position: relative;
}

#canvas-container canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

#bottom-panel {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10;
    padding: 0 20px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
}

#prompt-panel {
    display: flex;
    gap: 10px;
    pointer-events: auto;
    width: 100%;
    max-width: 650px;
    margin-bottom: 6px;
}

#prompt-input {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px 16px;
    font-family: var(--font);
    font-size: 13px;
    color: var(--cyan);
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}

#prompt-input::placeholder {
    color: var(--text-faint);
}

#prompt-input:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 15px var(--cyan-faint);
}

#generate-btn {
    background: rgba(0, 255, 255, 0.1);
    border: 1px solid var(--cyan);
    border-radius: 6px;
    padding: 12px 28px;
    font-family: var(--font);
    font-size: 13px;
    font-weight: bold;
    color: var(--cyan);
    cursor: pointer;
    letter-spacing: 3px;
    transition: all 0.3s;
    pointer-events: auto;
}

#generate-btn:hover {
    background: rgba(0, 255, 255, 0.25);
    box-shadow: 0 0 20px var(--cyan-glow);
}

#generate-btn:active {
    background: rgba(0, 255, 255, 0.4);
}

#controls-hint {
    font-size: 10px;
    opacity: 0.3;
    letter-spacing: 1px;
}

/* ==================== VR BUTTON ==================== */
#VRButton {
    font-family: var(--font) !important;
    border: 1px solid var(--cyan) !important;
    color: var(--cyan) !important;
    background: var(--bg-input) !important;
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--cyan-dim);
}


/* Right panel param sections */
#right-panel #material-select-params,
#right-panel #physics-params,
#right-panel #material-params,
#right-panel #env-params,
#right-panel #hazard-params,
#right-panel #visual-params,
#right-panel #chat-container,
#right-panel #contribute-params {
    padding: 8px 16px 12px;
}

#right-panel .collapsed {
    display: none;
}


/* ==================== SELECT DROPDOWN DARK THEME ==================== */
select,
#sel-category,
#sel-material,
#sel-ground,
#color-mode,
#contrib-domain,
#contrib-type {
    background: var(--bg-input) !important;
    color: var(--cyan) !important;
    border: 1px solid var(--border) !important;
    font-family: var(--font);
    font-size: 11px;
    padding: 4px 6px;
    border-radius: 3px;
    cursor: pointer;
}

select option {
    background: #000a10;
    color: #00ffff;
    padding: 4px 8px;
}

select option:hover,
select option:checked {
    background: #002030;
    color: #00ffff;
}

select:focus {
    outline: none;
    border-color: var(--cyan-dim) !important;
    box-shadow: 0 0 8px var(--cyan-faint);
}

/* ==================== ANIMATIONS ==================== */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.sim-card.active .card-name {
    animation: pulse 3s ease-in-out infinite;
}

@keyframes slideIn {
    from { transform: translateX(-10px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.sim-card {
    animation: slideIn 0.2s ease-out;
}