:root {
    --primary-color: #2A9D8F;
    --secondary-color: #E9C46A;
    --accent-color: #264653;
    --soft-white: #FDFCDC;
    --overlay-color: rgba(42, 157, 143, 0.9);
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
        url('https://images.unsplash.com/photo-1488521787991-ed7bbaae773c') center/cover fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    position: relative;
}

.container {
    background: var(--soft-white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 450px;
    transform: translateY(0);
    opacity: 1;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, var(--primary-color), transparent);
    animation: rotate 8s linear infinite;
}

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

.form-inner {
    position: relative;
    z-index: 2;
    background: var(--soft-white);
    padding: 2rem;
    border-radius: 15px;
}

h2 {
    color: var(--accent-color);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--secondary-color);
}

.form-control {
    position: relative;
    margin: 1.5rem 0;
}

.form-control input {
    width: calc(100% - 3rem);
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
    box-sizing: border-box;
}

.form-control input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(42, 157, 143, 0.2);
    background: white;
}

.form-control i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-color);
    font-size: 1.2rem;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 1rem;
    font-size: 1.1rem;
    border-radius: 8px;
    cursor: pointer;
    width: 100%;
    margin-top: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(42, 157, 143, 0.4);
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: rotate(45deg);
    animation: btnShine 3s infinite;
}

@keyframes btnShine {
    0% { left: -50%; }
    100% { left: 150%; }
}

.additional-links {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--accent-color);
}

.additional-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.additional-links a:hover {
    color: var(--secondary-color);
}

.alert {
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 8px;
    font-weight: 500;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.branding {
    text-align: center;
    margin-bottom: 2rem;
}

.branding img {
    width: 80px;
    margin-bottom: 1rem;
}