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

body {
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #8B0000 75%, #FF6347 100%);
    background-size: 400% 400%;
    animation: gradientAnimation 15s ease infinite;
    position: relative;
    overflow-x: hidden;
    will-change: transform, opacity;
    backface-visibility: hidden;
}

@keyframes gradientAnimation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.registration-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    padding: 40px 20px;
}

.event-header {
    text-align: center;
    color: white;
    margin-bottom: 40px;
    animation: fadeInDown 0.8s ease;
}

.event-header h1 {
    font-family: 'Cinzel Decorative', serif;
    font-size: 48px;
    margin-bottom: 15px;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.event-header p {
    font-size: 18px;
    opacity: 0.95;
}

.registration-card {
    max-width: 800px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    animation: slideUp 0.8s ease;
}

.card-header-custom {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.card-header-custom h3 {
    color: white;
    font-family: 'Cinzel Decorative', serif;
    font-size: 28px;
    margin: 0;
    position: relative;
    z-index: 1;
}

.card-body-custom {
    padding: 40px;
}

.page-transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    z-index: 9999;
    opacity: 1;
    pointer-events: all;
    transition: opacity 0.5s ease-in-out;
}

.page-transition-overlay.fade-out {
    opacity: 0;
    pointer-events: none;
}

.g_id_signin {
    width: 100% !important;
}
.g_id_signin > div {
    width: 100% !important;
    display: flex;
    justify-content: center;
}

#team-fields-container {
    transition: all 0.5s ease-in-out;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
}
#team-fields-container.show {
    max-height: 500px; /* A value larger than its content will ever be */
    opacity: 1;
}

.btn-login {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 14px;
    font-weight: 600;
    font-size: 16px;
    width: 100%;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.btn-login:hover::before {
    left: 100%;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 110, 234, 0.4);
}

.page-footer {
    text-align: center;
    padding: 20px;
    color: white;
    font-size: 12px;
    opacity: 0.8;
}

.form-control, .form-select {
    border-radius: 12px;
    padding: 12px 20px;
    background-color: rgba(255, 255, 255, 0.8);
    border: 1px solid #800000;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    background-color: white;
    border-color: #800000;
    box-shadow: 0 0 0 0.25rem rgba(128, 0, 0, 0.25);
}

.form-label {
    font-weight: 600;
    color: #495057;
}

.css-loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #800000;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.instructions-alert {
    background: linear-gradient(135deg, #a7d9f9 0%, #68b3e8 100%); /* Light bluish gradient */
    color: #2c3e50; /* Dark blue text for readability */
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}
.instructions-alert h5 {
    margin-top: 0;
    margin-bottom: 15px;
    font-weight: 700;
    font-family: 'Poppins', sans-serif; /* Changed from Cinzel Decorative */
    color: #1a2c3c;
    font-size: 1.25rem;
}
.instructions-content ul {
    padding-left: 20px;
    margin-bottom: 0;
}
.instructions-content p {
    margin-bottom: 10px;
}
.instructions-content p:last-child {
    margin-bottom: 0;
}