:root {
    --bg-color: #050505;
    --text-color: #ffffff;
    --accent-color: #0052ff;
    /* Base Blue */
    --accent-dim: #002980;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: 10px;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', sans-serif;
    overflow: hidden;
    /* Prevent scroll */
    height: 100vh;
    width: 100vw;
}

#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.glass-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0) 100%);
}

.logo {
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-color);
    text-shadow: 0 0 10px rgba(0, 82, 255, 0.5);
    /* Blue glow */
}

.glass-btn {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.glass-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 0 15px rgba(0, 82, 255, 0.3);
    transform: translateY(-2px);
}

.glass-btn.primary {
    background: rgba(0, 82, 255, 0.2);
    border-color: rgba(0, 82, 255, 0.4);
}

.glass-btn.primary:hover {
    background: rgba(0, 82, 255, 0.4);
    box-shadow: 0 0 20px rgba(0, 82, 255, 0.6);
}

.glass-btn.secondary {
    font-size: 0.7rem;
    padding: 0.6rem 1.2rem;
    background: transparent;
    border-color: rgba(255, 255, 255, 0.2);
}

.glass-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.glass-btn.small {
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
}

.glass-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.main-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 5;
    pointer-events: none;
    /* Let clicks pass through to canvas generally */
}

/* Allow pointer events on interactive children */
.main-content>* {
    pointer-events: auto;
}

.hero-text h1 {
    font-family: 'Cinzel', serif;
    font-size: 4rem;
    font-weight: 400;
    letter-spacing: 5px;
    margin-bottom: 1rem;
    text-transform: uppercase;
    background: linear-gradient(45deg, #fff, #aaa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

#interaction-panel {
    margin-top: 2rem;
    transition: opacity 0.5s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.button-group {
    display: flex;
    gap: 1rem;
}

.hidden {
    opacity: 0;
    pointer-events: none !important;
    display: none !important;
}

/* Input Container */
#friend-input-container {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: 20px;
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 350px;
    max-width: 90vw;
}

.glass-input {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 0.8rem;
    border-radius: 10px;
    font-family: 'Inter', sans-serif;
    outline: none;
    width: 100%;
    text-align: center;
    transition: border-color 0.3s;
}

.glass-input:focus {
    border-color: var(--accent-color);
}

.input-actions {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

#status-msg {
    margin-top: 1rem;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    min-height: 20px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    word-wrap: break-word;
}

/* Animations */
.fade-in {
    animation: fadeIn 1.5s ease-out forwards;
    opacity: 0;
    transform: translateY(20px);
}

.fade-in-delay {
    animation: fadeIn 1.5s ease-out 0.5s forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .hero-text h1 {
        font-size: 2.5rem;
    }
}