/**
 * Drone Simulator CSS
 * 사이버펑크 스타일 드론 시뮬레이터
 */

:root {
    /* Primary Colors */
    --neon-blue: #00F0FF;
    --neon-green: #00FF41;
    --cyber-purple: #B537F2;

    /* Status Colors */
    --success: #00FF41;
    --warning: #FFD700;
    --danger: #FF3366;
    --info: #00F0FF;

    /* Background */
    --dark-bg: #0A0E27;
    --mid-bg: #1A1F3A;
    --light-bg: #2A3154;

    /* Fonts */
    --font-heading: 'Exo 2', sans-serif;
    --font-body: 'Noto Sans KR', sans-serif;
    --font-mono: 'Orbitron', monospace;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    background-color: var(--dark-bg);
    color: #FFFFFF;
    overflow: hidden;
}

canvas {
    display: block;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

.mono {
    font-family: var(--font-mono);
}

/* Neon Glow Effects */
.neon-blue {
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
}

.neon-green {
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green);
}

.neon-purple {
    color: var(--cyber-purple);
    text-shadow: 0 0 10px var(--cyber-purple);
}

/* Status Colors */
.text-success {
    color: var(--success);
}

.text-warning {
    color: var(--warning);
}

.text-danger {
    color: var(--danger);
}

.text-info {
    color: var(--info);
}

/* Buttons */
.btn {
    font-family: var(--font-body);
    font-weight: 700;
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-green));
    color: var(--dark-bg);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
}

.btn-secondary {
    background: var(--mid-bg);
    color: var(--neon-blue);
    border: 2px solid var(--neon-blue);
}

.btn-secondary:hover {
    background: var(--neon-blue);
    color: var(--dark-bg);
}

.btn-danger {
    background: linear-gradient(135deg, #FF3366, #FF6B6B);
    color: #FFFFFF;
    box-shadow: 0 0 20px rgba(255, 51, 102, 0.5);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(255, 51, 102, 0.8);
}

/* Panels */
.panel {
    background: var(--mid-bg);
    border: 2px solid var(--neon-blue);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
}

.panel-header {
    font-family: var(--font-heading);
    font-size: 20px;
    color: var(--neon-blue);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--neon-blue);
}

/* Gauges */
.gauge {
    margin-bottom: 20px;
}

.gauge-label {
    font-size: 14px;
    color: #FFFFFF;
    margin-bottom: 5px;
}

.gauge-bar {
    width: 100%;
    height: 15px;
    background: var(--dark-bg);
    border-radius: 7px;
    overflow: hidden;
    position: relative;
}

.gauge-fill {
    height: 100%;
    border-radius: 7px;
    transition: width 0.3s ease;
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-green));
}

.gauge-value {
    font-family: var(--font-mono);
    font-size: 14px;
    margin-top: 5px;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 10px;
    background: var(--mid-bg);
    border-radius: 5px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--success);
    border-radius: 5px;
    transition: width 0.5s ease;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 15px;
    font-weight: 700;
}

.alert-success {
    background: rgba(0, 255, 65, 0.2);
    border: 2px solid var(--success);
    color: var(--success);
}

.alert-warning {
    background: rgba(255, 215, 0, 0.2);
    border: 2px solid var(--warning);
    color: var(--warning);
}

.alert-danger {
    background: rgba(255, 51, 102, 0.2);
    border: 2px solid var(--danger);
    color: var(--danger);
}

.alert-info {
    background: rgba(0, 240, 255, 0.2);
    border: 2px solid var(--info);
    color: var(--info);
}

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
    }
    50% {
        box-shadow: 0 0 40px rgba(0, 240, 255, 0.8);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

.glow {
    animation: glow 2s ease-in-out infinite;
}

.float {
    animation: float 3s ease-in-out infinite;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mt-4 { margin-top: 40px; }

.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mb-4 { margin-bottom: 40px; }

.p-1 { padding: 10px; }
.p-2 { padding: 20px; }
.p-3 { padding: 30px; }
.p-4 { padding: 40px; }

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--mid-bg);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--light-bg);
}

/* Responsive */
@media (max-width: 768px) {
    .start-title {
        font-size: 48px !important;
    }

    .start-subtitle {
        font-size: 18px !important;
    }

    .start-button {
        font-size: 20px !important;
        padding: 15px 40px !important;
    }

    .controls-info {
        font-size: 14px !important;
    }
}