/* ===========================================
   Grounding Semántico - Matrix Style
   Phosphor Green Terminal Aesthetic
   =========================================== */

@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Orbitron:wght@400;700&display=swap');

:root {
    /* Matrix Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: rgba(0, 20, 0, 0.85);
    --bg-panel: rgba(0, 15, 0, 0.9);
    --accent-primary: #00ff41;
    --accent-secondary: #008f11;
    --accent-dim: #003b00;
    --text-primary: #00ff41;
    --text-secondary: #00cc33;
    --text-dim: #006622;
    --border-color: #00ff41;
    --border-dim: #004400;
    --success: #00ff41;
    --warning: #ffff00;
    --danger: #ff0040;
    --glow: 0 0 10px #00ff41, 0 0 20px #00ff41, 0 0 30px #008f11;
    --glow-soft: 0 0 5px #00ff41, 0 0 10px #008f11;

    /* Typography - Monospace for terminal feel */
    --font-body: 'Share Tech Mono', 'Courier New', monospace;
    --font-heading: 'Orbitron', 'Share Tech Mono', monospace;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Sizing */
    --panel-width: 300px;
    --header-height: 50px;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* Scanline effect overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.1) 0px,
        rgba(0, 0, 0, 0.1) 1px,
        transparent 1px,
        transparent 2px
    );
}

/* CRT flicker effect */
@keyframes flicker {
    0% { opacity: 0.97; }
    50% { opacity: 1; }
    100% { opacity: 0.98; }
}

/* Canvas Container */
#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

#canvas-container canvas {
    display: block;
}

/* UI Container */
#ui-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
    animation: flicker 0.15s infinite;
}

#ui-container > * {
    pointer-events: auto;
}

/* Header */
#header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: linear-gradient(180deg, rgba(0, 30, 0, 0.95) 0%, rgba(0, 15, 0, 0.9) 100%);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-lg);
    gap: var(--spacing-md);
    border-bottom: 1px solid var(--accent-primary);
    box-shadow: 0 2px 20px rgba(0, 255, 65, 0.3), inset 0 -1px 0 var(--accent-dim);
}

#header h1 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: var(--glow);
}

#header .subtitle {
    font-size: 0.75rem;
    opacity: 0.8;
    color: var(--text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Panel Base Styles */
.panel, #hud-panel, #control-panel, #log-panel, #llm-panel {
    background: var(--bg-panel);
    border-radius: 0;
    padding: var(--spacing-md);
    border: 1px solid var(--accent-primary);
    box-shadow:
        0 0 20px rgba(0, 255, 65, 0.2),
        inset 0 0 30px rgba(0, 255, 65, 0.05);
    backdrop-filter: blur(5px);
}

.panel h3, #hud-panel h3, #control-panel h3, #log-panel h3, #llm-panel h3 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--accent-secondary);
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: var(--glow-soft);
}

/* Corner decorations for panels */
.panel::before, #hud-panel::before, #control-panel::before, #log-panel::before, #llm-panel::before {
    content: '//';
    position: absolute;
    top: 8px;
    right: 12px;
    color: var(--accent-dim);
    font-size: 0.7rem;
}

/* HUD Panel */
#hud-panel {
    position: absolute;
    top: calc(var(--header-height) + var(--spacing-md));
    left: var(--spacing-md);
    width: var(--panel-width);
}

.hud-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border-dim);
}

.hud-row:last-child {
    border-bottom: none;
}

.hud-row .label {
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
}

.hud-row .label::before {
    content: '> ';
    color: var(--accent-dim);
}

.hud-row span:last-child {
    font-weight: 400;
    font-family: var(--font-body);
    font-size: 0.85rem;
    color: var(--accent-primary);
    text-shadow: var(--glow-soft);
}

/* Control Panel */
#control-panel {
    position: absolute;
    top: calc(var(--header-height) + var(--spacing-md));
    right: var(--spacing-md);
    width: var(--panel-width);
}

/* LLM Panel */
#llm-panel {
    position: absolute;
    top: calc(var(--header-height) + 220px);
    right: var(--spacing-md);
    width: var(--panel-width);
}

.config-row {
    margin-bottom: var(--spacing-sm);
}

.config-row input[type="text"] {
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(0, 20, 0, 0.8);
    border: 1px solid var(--accent-secondary);
    border-radius: 0;
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--text-primary);
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.config-row input[type="text"]::placeholder {
    color: var(--text-dim);
}

.config-row input[type="text"]:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
}

#llm-status {
    color: var(--danger);
    text-shadow: 0 0 10px var(--danger);
}

#llm-status.connected {
    color: var(--success);
    text-shadow: var(--glow-soft);
}

#agent-mode {
    color: var(--text-secondary);
}

#agent-mode.autonomous {
    color: var(--warning);
    text-shadow: 0 0 10px var(--warning);
    font-weight: 400;
}

.button-row {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.button-row:last-child {
    margin-bottom: 0;
}

/* Buttons - Matrix Style */
.btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--accent-secondary);
    border-radius: 0;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.2s ease;
    background: rgba(0, 40, 0, 0.6);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 65, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover:not(:disabled)::before {
    left: 100%;
}

.btn:hover:not(:disabled) {
    background: rgba(0, 60, 0, 0.8);
    border-color: var(--accent-primary);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.4);
    text-shadow: var(--glow-soft);
}

.btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.btn-primary {
    background: rgba(0, 80, 0, 0.8);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.2);
}

.btn-primary:hover:not(:disabled) {
    background: rgba(0, 120, 0, 0.9);
    box-shadow: 0 0 20px rgba(0, 255, 65, 0.5);
}

.btn-secondary {
    background: rgba(0, 50, 0, 0.6);
    color: var(--text-secondary);
    border-color: var(--accent-secondary);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(0, 80, 0, 0.8);
    color: var(--accent-primary);
}

/* Log Panel */
#log-panel {
    position: absolute;
    bottom: var(--spacing-md);
    left: var(--spacing-md);
    width: var(--panel-width);
    max-height: 220px;
}

#log-content {
    max-height: 150px;
    overflow-y: auto;
    font-family: var(--font-body);
    font-size: 0.7rem;
    line-height: 1.5;
}

.log-entry {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--border-dim);
    opacity: 0.9;
}

.log-entry:last-child {
    border-bottom: none;
}

.log-entry .time {
    color: var(--text-dim);
    margin-right: var(--spacing-sm);
}

.log-entry.event {
    color: var(--text-secondary);
}

.log-entry.event::before {
    content: '[EVT] ';
    color: var(--accent-dim);
}

.log-entry.action {
    color: var(--accent-primary);
}

.log-entry.action::before {
    content: '[ACT] ';
    color: var(--accent-secondary);
}

.log-entry.error {
    color: var(--danger);
}

.log-entry.error::before {
    content: '[ERR] ';
}

.log-entry.success {
    color: var(--success);
    text-shadow: var(--glow-soft);
}

.log-entry.success::before {
    content: '[OK!] ';
}

/* Scrollbar Styling - Matrix */
::-webkit-scrollbar {
    width: 4px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-secondary);
    box-shadow: 0 0 5px var(--accent-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* Selection */
::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --panel-width: 240px;
    }

    #header h1 {
        font-size: 1rem;
        letter-spacing: 2px;
    }

    #header .subtitle {
        display: none;
    }
}

/* Matrix rain effect background */
#matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.12;
    pointer-events: none;
    filter: blur(0.5px);
}