/* 
    ARENA TEAMS - Design System Premium (Indigo/Violet)
    Desenvolvido por ZUKON TECH © 2026
*/

:root {
    --bg-dark: 230, 25%, 6%;        
    --accent: 255, 75%, 65%;       /* Violeta Vibrante */
    --accent-glow: rgba(124, 58, 237, 0.3);
    --text-main: 210, 20%, 95%;    
    --text-dim: 210, 15%, 65%;     
    --glass-bg: rgba(255, 255, 255, 0.02);
    --glass-border: rgba(255, 255, 255, 0.08);
    --panel-blur: 25px;
}

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

body {
    background-color: hsl(var(--bg-dark));
    color: hsl(var(--text-main));
    font-family: 'Inter', sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Background Glows */
body::before, body::after {
    content: '';
    position: fixed;
    width: 60vw;
    height: 60vw;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.15;
    pointer-events: none;
}
body::before { top: -20%; left: -20%; background: hsl(var(--accent)); }
body::after { bottom: -20%; right: -20%; background: #4f46e5; }

#app-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
}

header {
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 3rem;
    padding: 1rem 0;
}

.brand {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem; 
    font-weight: 800; 
    letter-spacing: 2px;
    background: linear-gradient(135deg, #fff, hsl(var(--accent)));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
}

.status-badge {
    font-size: 0.75rem; 
    font-weight: 800; 
    padding: 6px 14px; 
    border-radius: 50px; 
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid var(--glass-border);
}
.status-badge.connecting { color: #f59e0b; background: rgba(245, 158, 11, 0.1); }
.status-badge.connected { color: #10b981; background: rgba(16, 185, 129, 0.1); border-color: rgba(16, 185, 129, 0.2); }

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--panel-blur));
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    padding: 3rem;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.5);
}

/* Landing Section */
.hero-content {
    text-align: center;
    margin-bottom: 4rem;
}
.hero-content h1 {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
}
.hero-content p {
    color: hsl(var(--text-dim));
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Welcome Screen */
.welcome-screen { 
    display: grid; 
    grid-template-columns: 1fr 1fr; 
    gap: 2rem; 
}

.action-card {
    background: rgba(255,255,255,0.02); 
    border: 1px solid var(--glass-border); 
    border-radius: 24px; 
    padding: 3rem 2rem; 
    cursor: pointer; 
    text-align: center; 
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}
.action-card:hover { 
    border-color: hsl(var(--accent)); 
    background: rgba(255, 255, 255, 0.05); 
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.action-card i { font-size: 3.5rem; margin-bottom: 1.5rem; display: block; filter: drop-shadow(0 0 10px var(--accent-glow)); }
.action-card h2 { font-size: 1.5rem; margin-bottom: 1rem; font-family: 'Outfit', sans-serif; }
.action-card p { font-size: 0.95rem; color: hsl(var(--text-dim)); line-height: 1.5; }

/* Forms & Inputs */
.config-panel {
    background: rgba(0,0,0,0.2); 
    border: 1px solid var(--glass-border); 
    border-radius: 20px; 
    padding: 2rem; 
    margin: 2rem 0; 
    text-align: left;
}
.input-inline { display: flex; align-items: center; justify-content: space-between; margin-bottom: 15px; }

input[type="text"], select {
    background: rgba(0,0,0,0.4); 
    border: 1px solid var(--glass-border); 
    color: white; 
    padding: 12px 16px; 
    border-radius: 12px; 
    width: 100%; 
    max-width: 250px;
    font-family: inherit;
    transition: border-color 0.3s;
}
input[type="text"]:focus { border-color: hsl(var(--accent)); outline: none; }

.btn-primary {
    background: linear-gradient(135deg, hsl(var(--accent)), #4f46e5); 
    color: white; 
    border: none; 
    padding: 18px 40px; 
    border-radius: 16px; 
    font-weight: 800; 
    font-size: 1rem;
    cursor: pointer; 
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}
.btn-primary:hover:not(:disabled) { transform: translateY(-3px); box-shadow: 0 15px 30px rgba(0,0,0,0.3); filter: brightness(1.1); }
.btn-primary:active { transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.3; cursor: not-allowed; }

.btn-secondary {
    background: transparent; 
    border: 1px solid var(--glass-border); 
    color: hsl(var(--text-main)); 
    padding: 10px 20px; 
    border-radius: 12px; 
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.2); }

/* List & Badges */
.participant-list {
    display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 2rem 0;
}
.participant-item {
    background: rgba(255,255,255,0.05); padding: 8px 16px; border-radius: 50px; font-size: 0.9rem; border: 1px solid var(--glass-border);
}

.session-badge {
    background: hsl(var(--bg-dark)); 
    color: hsl(var(--accent)); 
    padding: 12px 24px; 
    border-radius: 16px; 
    font-family: 'Outfit', monospace; 
    font-weight: 800;
    font-size: 1.4rem;
    border: 1px solid hsl(var(--accent), 0.3);
    display: inline-block;
}

#qrcode-container { 
    background: white; 
    padding: 1.5rem; 
    border-radius: 24px; 
    display: inline-block; 
    margin: 2rem 0; 
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.hidden { display: none !important; }

/* Animations */
@keyframes wave { 0%, 100% { transform: translateY(0); opacity: 0.5; } 50% { transform: translateY(-15px); opacity: 1; } }
.loader-wave { display: flex; justify-content: center; gap: 10px; margin-top: 30px; }
.loader-wave span { width: 12px; height: 12px; background: hsl(var(--accent)); border-radius: 50%; animation: wave 1.2s infinite; }
.loader-wave span:nth-child(2) { animation-delay: 0.2s; }
.loader-wave span:nth-child(3) { animation-delay: 0.4s; }

footer { 
    margin-top: auto; 
    padding: 4rem 2rem; 
    text-align: center; 
    color: hsl(var(--text-dim)); 
    font-size: 0.9rem; 
    border-top: 1px solid var(--glass-border);
}

@media (max-width: 768px) {
    .welcome-screen { grid-template-columns: 1fr; }
    .glass-panel { padding: 2rem 1.5rem; }
    #app-container { padding: 1rem; }
}