/* CSS VARIABLES */
:root {
    --primary-color: #611be3;
    --secondary-color: #6c757d;
    --background-light: #000000;
    --background-dark: #000000;
    --text-white: #ffffff;
    --text-dark: #ffffff;
    --text-muted: #acacac;
    --border-color: #ffffff;
    --shadow-light: rgba(0, 0, 0, 0.05);
    --shadow-medium: rgba(0, 0, 0, 0.1);
    --error-bg: #f8d7da;
    --error-text: #721c24;
    --google-blue: #4285F4;
    --google-green: #34A853;
    --google-yellow: #FBBC05;
    --google-red: #EA4335;
}

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

body {
    font-family: 'Orbitron', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* LANDING PAGE STYLES */
#landing-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 10000;
    display: flex;
    flex-direction: column;
}

/* VIDEO BACKGROUND */
#video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 146%;
    height: 179%;
    object-fit: cover;
    z-index: -1;
}

/* HEADER */
#landing-header {
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    background: #692e9540;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

#landing-header h2 {
    color: var(--text-white);
    font-size: 2rem;
    font-weight: bold;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.header-menu {
    display: flex;
    gap: 30px;
    align-items: center;
}

.header-menu button {
    background: transparent;
    border: none;
    color: var(--text-white);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    padding: 8px 16px;
    transition: all 0.3s;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    filter: hue-rotate(0deg);
}

.header-menu button:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
    filter: hue-rotate(60deg) brightness(1.2);
    text-shadow: 0 0 10px var(--primary-color), 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* BODY */
#landing-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px 20px;
    position: relative;
    background: #692e9540;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

#landing-body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 0;
}

.content-wrapper {
    position: relative;
    z-index: 1;
}

.main-title {
    font-size: 5rem;
    font-weight: bold;
    color: var(--text-white);
    margin-bottom: 20px;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.7);
}

.subtitle {
    font-size: 1.8rem;
    color: var(--text-white);
    margin-bottom: 40px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

/* GOOGLE SIGN IN BUTTON */
.google-signin-btn {
    padding: 16px 32px;
    background: #000000;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.google-signin-btn:hover {
    background: var(--background-light);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
    transform: translateY(-2px);
}

.google-signin-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.google-icon {
    width: 20px;
    height: 20px;
}

/* FOOTER */
#landing-footer {
    padding: 30px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-white);
    flex-shrink: 0;
    background: #692e9540;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

#landing-footer p {
    margin-bottom: 10px;
}

#landing-footer a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

#landing-footer a:hover {
    color: var(--text-white);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    #landing-header {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }

    .header-menu {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .main-title {
        font-size: 3rem;
    }

    .subtitle {
        font-size: 1.3rem;
    }

    .google-signin-btn {
        padding: 12px 24px;
        font-size: 14px;
    }
}