:root {
    --primary-color: #1b4332;
    --secondary-color: #ddb892;
    --accent-color: #b08d57;
    --hover-color: #2d6a4f;
    --text-color: #333333;
    --light-color: #ffffff;
    --glass-bg: rgba(27, 67, 50, 0.1);
    --glass-border: rgba(221, 184, 146, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background-color: #f8f9fa;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
    font-size: 18px;
    background: linear-gradient(135deg, #f8f9fa, rgba(221, 184, 146, 0.1));
}

.registration-container {
    max-width: 600px;
    margin: 60px auto;
    padding: 40px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 30px;
    box-shadow: 
        0 20px 40px rgba(27, 67, 50, 0.05),
        0 0 0 1px rgba(255, 255, 255, 0.9);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(221, 184, 146, 0.3);
}

.registration-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(221, 184, 146, 0.05), 
        rgba(27, 67, 50, 0.05));
    border-radius: 30px;
    z-index: -1;
}

.registration-container:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 25px 50px rgba(27, 67, 50, 0.08),
        0 0 0 1px rgba(255, 255, 255, 1);
}

.registration-container h2 {
    text-align: center;
    margin-bottom: 35px;
    font-size: 2.2rem;
    font-weight: 600;
    background: var(--green-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
    letter-spacing: 0.5px;
}

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

@keyframes shimmer {
    0% {
        background-position: -200% 50%;
    }
    100% {
        background-position: 200% 50%;
    }
}

.registration-container h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(
        to right,
        rgba(221, 184, 146, 0.8),
        rgba(176, 141, 87, 0.8),
        rgba(221, 184, 146, 0.8)
    );
    background-size: 200% 100%;
    border-radius: 3px;
    box-shadow: 
        0 2px 10px rgba(221, 184, 146, 0.3),
        0 0 20px rgba(221, 184, 146, 0.1);
    animation: shimmer 3s linear infinite;
}

.form-group {
    margin-bottom: 28px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 0.3px;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid rgba(27, 67, 50, 0.08);
    border-radius: 15px;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 
        inset 0 2px 4px rgba(0, 0, 0, 0.02),
        0 0 0 transparent;
}

.form-control:focus {
    outline: none;
    border-color: rgba(221, 184, 146, 0.5);
    box-shadow: 
        inset 0 2px 4px rgba(0, 0, 0, 0.02),
        0 0 0 4px rgba(221, 184, 146, 0.15);
    background: white;
}

.form-control[pattern]:valid {
    border-color: rgba(76, 175, 80, 0.5);
}

.form-control[pattern]:invalid:not(:placeholder-shown) {
    border-color: rgba(220, 53, 69, 0.5);
}

.btn-primary {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 15px;
    background: var(--gold-gradient);
    color: #1b4332;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    margin-top: 25px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow: 
        0 4px 15px rgba(221, 184, 146, 0.2),
        inset 0 0 0 1px rgba(255, 255, 255, 0.6);
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: var(--green-gradient);
    color: #ffffff;
    box-shadow: 
        0 8px 30px rgba(27, 67, 50, 0.35),
        inset 0 0 0 1px rgba(255, 255, 255, 1);
}

.btn-primary:active {
    transform: scale(0.98);
    box-shadow: 
        0 4px 15px rgba(221, 184, 146, 0.15),
        inset 0 0 0 1px rgba(255, 255, 255, 0.4);
    transition: all 0.1s ease;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

.btn-primary .ripple {
    position: absolute;
    border-radius: 50%;
    transform: scale(0);
    animation: ripple 0.6s linear;
    background-color: rgba(255, 255, 255, 0.7);
}

.text-danger {
    color: #dc3545;
    font-size: 0.9rem;
    margin-top: 6px;
    display: block;
    font-weight: 500;
}

.alert {
    padding: 16px 22px;
    border-radius: 15px;
    margin: 25px 0;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.alert-success {
    background: rgba(76, 175, 80, 0.1);
    color: #2e7d32;
    border: 1px solid rgba(76, 175, 80, 0.2);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.1);
}

.alert-danger {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border: 1px solid rgba(220, 53, 69, 0.2);
    box-shadow: 0 4px 15px rgba(220, 53, 69, 0.1);
}

#countdown {
    font-weight: 600;
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .registration-container {
        margin: 30px 20px;
        padding: 30px 20px;
        border-radius: 25px;
    }

    .registration-container h2 {
        font-size: 2rem;
    }

    .form-group {
        margin-bottom: 22px;
    }

    .form-control {
        padding: 12px 16px;
        font-size: 1rem;
    }

    .btn-primary {
        padding: 12px;
        font-size: 1rem;
    }
}