/* ============================================
   DevOps RL Agent — Premium AI Theme
   Glassmorphism, Neon Accents, Cyberpunk UI
   ============================================ */

:root {
    /* Color Palette */
    --bg-base: #060913;
    --bg-surface: rgba(13, 17, 30, 0.75);
    --bg-surface-hover: rgba(22, 28, 45, 0.85);
    
    --sidebar-bg: rgba(9, 12, 21, 0.95);
    --sidebar-border: rgba(255, 255, 255, 0.05);

    --primary: #00f0ff;
    --primary-glow: rgba(0, 240, 255, 0.4);
    
    --secondary: #7000ff;
    --secondary-glow: rgba(112, 0, 255, 0.4);
    
    --success: #00ff9d;
    --success-bg: rgba(0, 255, 157, 0.1);
    
    --danger: #ff0055;
    --danger-bg: rgba(255, 0, 85, 0.1);
    
    --warning: #ffb800;
    
    --text-main: #e2e8f0;
    --text-muted: #64748b;
    --text-bright: #ffffff;
    
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.15);

    /* Fonts */
    --font-sans: 'Inter', sans-serif;
    --font-display: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Shadows & Radii */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.15);
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-base);
    color: var(--text-main);
    overflow: hidden;
    height: 100vh;
}

/* Dynamic Background grid */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        linear-gradient(var(--border-subtle) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center center;
    opacity: 0.3;
    z-index: -2;
    transform: perspective(500px) rotateX(60deg) translateY(-100px) translateZ(-200px);
    animation: grid-move 20s linear infinite;
}

body::after {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 50% 50%, transparent 20%, var(--bg-base) 80%);
    z-index: -1;
    pointer-events: none;
}

@keyframes grid-move {
    0% { background-position: 0 0; }
    100% { background-position: 0 40px; }
}

/* Layout */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    z-index: 10;
}

.sidebar-brand {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border-subtle);
}

.brand-logo {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 0 15px var(--primary-glow);
}

.brand-text h1 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-bright);
}

.brand-text p {
    font-size: 0.7rem;
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.sidebar-nav {
    flex: 1;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1rem;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}

.nav-btn:hover {
    color: var(--text-bright);
    background: rgba(255,255,255,0.02);
}

.nav-btn.active {
    background: rgba(0, 240, 255, 0.05);
    border-color: rgba(0, 240, 255, 0.2);
    color: var(--primary);
    box-shadow: inset 0 0 20px rgba(0, 240, 255, 0.05);
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-subtle);
}

.api-status-box {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    background: rgba(0,0,0,0.3);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
}

.status-indicator {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--warning);
    box-shadow: 0 0 8px var(--warning);
}

.status-indicator.online {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
}

.status-indicator.error {
    background: var(--danger);
    box-shadow: 0 0 8px var(--danger);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.topbar {
    height: 70px;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(6, 9, 19, 0.8);
    backdrop-filter: blur(10px);
    z-index: 5;
}

.topbar h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-badge {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.4rem 1rem;
    background: rgba(112, 0, 255, 0.1);
    border: 1px solid rgba(112, 0, 255, 0.3);
    border-radius: 20px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: #c4b5fd;
}

.badge-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--secondary);
}

.pulse { animation: pulse-glow 2s infinite; }

@keyframes pulse-glow {
    0%, 100% { opacity: 1; box-shadow: 0 0 10px var(--secondary); }
    50% { opacity: 0.5; box-shadow: none; }
}

.content-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
}

.tab-pane { display: none; animation: fade-in 0.3s ease forwards; }
.tab-pane.active { display: block; }

@keyframes fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Glass Panels */
.glass-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

/* KPI Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.kpi-card {
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.kpi-header {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.kpi-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
}

.highlight-cyan { color: var(--primary); text-shadow: 0 0 15px rgba(0, 240, 255, 0.3); }
.highlight-green { color: var(--success); text-shadow: 0 0 15px rgba(0, 255, 157, 0.3); }
.highlight-purple { color: #a78bfa; text-shadow: 0 0 15px rgba(167, 139, 250, 0.3); }

.kpi-chart-mini {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 50px;
    opacity: 0.5;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.panel-header {
    padding: 1.2rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
}

.panel-header h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
}

.chart-container {
    padding: 1.5rem;
    height: 300px;
    width: 100%;
}

.level-cards-wrapper {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.level-stat-row {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-subtle);
    padding: 1rem;
    border-radius: var(--radius-md);
}

.level-stat-row .top {
    display: flex; justify-content: space-between; margin-bottom: 0.5rem;
}

.level-stat-row .name { font-weight: 600; }
.level-stat-row .rate { font-family: var(--font-mono); color: var(--success); }

.progress-track {
    height: 4px; background: rgba(255,255,255,0.05); border-radius: 2px; overflow: hidden;
}
.progress-fill {
    height: 100%; background: var(--primary); box-shadow: 0 0 10px var(--primary);
    width: 0%; transition: width 1s ease;
}

/* Terminal & Runner */
.runner-layout, .replay-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 1.5rem;
    height: calc(100vh - 140px);
}

.controls-panel { padding: 1.5rem; display: flex; flex-direction: column; gap: 1.5rem; }

.control-group label {
    display: block; font-size: 0.75rem; text-transform: uppercase;
    color: var(--text-muted); margin-bottom: 0.5rem; letter-spacing: 1px;
}

.neon-select {
    width: 100%; padding: 0.8rem;
    background: rgba(0,0,0,0.3); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm); color: var(--text-bright);
    font-family: var(--font-sans); outline: none; transition: border-color 0.2s;
}

.neon-select:focus { border-color: var(--primary); box-shadow: 0 0 10px var(--primary-glow); }

.neon-btn {
    width: 100%; padding: 1rem;
    background: rgba(0, 240, 255, 0.1); border: 1px solid var(--primary);
    color: var(--primary); font-family: var(--font-display); font-weight: 700;
    font-size: 0.9rem; letter-spacing: 1px; cursor: pointer;
    border-radius: var(--radius-sm); display: flex; justify-content: space-between;
    align-items: center; transition: all 0.3s ease; text-transform: uppercase;
}

.neon-btn:hover {
    background: var(--primary); color: #000;
    box-shadow: 0 0 20px var(--primary-glow);
}

.neon-btn:disabled {
    background: transparent; border-color: var(--border-subtle);
    color: var(--text-muted); cursor: not-allowed; box-shadow: none;
}

/* Terminal Panel */
.terminal-panel {
    background: #000;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    display: flex; flex-direction: column;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.terminal-header {
    height: 35px; background: #1a1b26; border-bottom: 1px solid #292e42;
    display: flex; align-items: center; padding: 0 1rem;
}

.term-dots { display: flex; gap: 6px; }
.term-dots span { width: 10px; height: 10px; border-radius: 50%; }
.term-dots span:nth-child(1) { background: #f7768e; }
.term-dots span:nth-child(2) { background: #e0af68; }
.term-dots span:nth-child(3) { background: #9ece6a; }

.term-title {
    flex: 1; text-align: center; color: #a9b1d6; font-family: var(--font-mono);
    font-size: 0.75rem; opacity: 0.7; margin-left: -40px; /* Offset dots */
}

.terminal-body {
    flex: 1; padding: 1.5rem; overflow-y: auto;
    font-family: var(--font-mono); font-size: 0.85rem; line-height: 1.6;
    color: #a9b1d6;
}

.term-empty-state { color: #565f89; }
.blink { animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* Terminal Output Items */
.term-step { margin-bottom: 1rem; padding-bottom: 1rem; border-bottom: 1px dashed #292e42; }
.term-step:last-child { border-bottom: none; }

.term-cmd { color: #7aa2f7; font-weight: 600; margin-bottom: 0.3rem; }
.term-cmd::before { content: "❯ "; color: #9ece6a; }

.term-result { padding-left: 1rem; border-left: 2px solid #3b4261; margin-top: 0.5rem; }
.term-success { color: #9ece6a; }
.term-error { color: #f7768e; }
.term-blocked { color: #e0af68; }

.term-reward { font-size: 0.75rem; background: rgba(255,255,255,0.05); padding: 2px 6px; border-radius: 4px; margin-left: 10px;}
.term-reward.pos { color: #9ece6a; }
.term-reward.neg { color: #f7768e; }

.term-summary {
    margin-top: 1.5rem; padding: 1rem; background: rgba(122, 162, 247, 0.1);
    border: 1px solid rgba(122, 162, 247, 0.3); border-radius: var(--radius-sm);
}

/* Recent History List */
.recent-list { padding: 1rem; display: flex; flex-direction: column; gap: 0.5rem; overflow-y: auto; height: calc(100% - 60px); }

.history-item {
    padding: 0.8rem; background: rgba(0,0,0,0.2); border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm); cursor: pointer; transition: all 0.2s;
    display: flex; flex-direction: column; gap: 0.3rem;
}

.history-item:hover { border-color: var(--primary); background: rgba(0, 240, 255, 0.05); }

.hi-top { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 0.75rem; }
.hi-id { color: var(--text-muted); }
.hi-reward { font-weight: bold; }
.hi-reward.pos { color: var(--success); }
.hi-reward.neg { color: var(--danger); }
.hi-scenario { font-size: 0.85rem; font-weight: 600; }
.hi-badge { font-size: 0.65rem; padding: 2px 6px; border-radius: 10px; background: rgba(255,255,255,0.1); }
.hi-badge.win { background: var(--success-bg); color: var(--success); }

/* Scenarios Grid */
.scenarios-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }
.scenario-card { padding: 1.5rem; }
.sc-name { font-family: var(--font-mono); font-size: 1.1rem; color: var(--primary); margin-bottom: 0.5rem; }
.sc-desc { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1rem; height: 40px; }
.sc-hints { background: rgba(0,0,0,0.3); padding: 0.8rem; border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: 0.75rem; color: #a9b1d6; }
.sc-hints span { display: block; margin-bottom: 0.3rem; }
.sc-hints span::before { content: "$ "; color: var(--success); }
.sc-stats { margin-top: 1rem; display: flex; justify-content: space-between; font-size: 0.8rem; border-top: 1px solid var(--border-subtle); padding-top: 0.8rem; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }