body {
    box-sizing: border-box;
}

* {
    font-family: 'Plus Jakarta Sans', sans-serif;
}

:root {
    --color-lightest: #f4f7fb;
    --color-light: #c9d4e5;
    --color-medium: #4a6fa5;
    --color-dark: #1a2a40;
    --color-darkest: #0d1726;
}

.auth-container {
    background: linear-gradient(135deg, var(--color-darkest) 0%, var(--color-dark) 50%, var(--color-medium) 100%);
}

.glass-card {
    background: rgba(232, 241, 242, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(179, 239, 178, 0.3);
}

.btn-primary-custom {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-medium) 100%);
    border: none;
    transition: all 0.3s ease;
}

.btn-primary-custom:hover {
    background: linear-gradient(135deg, var(--color-darkest) 0%, var(--color-dark) 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 26, 35, 0.3);
}

.form-control-custom {
    background: rgba(255, 255, 255, 0.8);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.form-control-custom:focus {
    background: #fff;
    border-color: var(--color-medium);
    box-shadow: 0 0 0 4px rgba(122, 158, 126, 0.15);
}

.form-floating>.form-control-custom:focus~label,
.form-floating>.form-control-custom:not(:placeholder-shown)~label {
    color: var(--color-dark);
}

.link-custom {
    color: var(--color-dark);
    text-decoration: none;
    transition: all 0.2s ease;
}

.link-custom:hover {
    color: var(--color-medium);
}

.divider {
    display: flex;
    align-items: center;
    color: var(--color-medium);
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-medium), transparent);
}

.divider span {
    padding: 0 1rem;
    font-size: 0.875rem;
}

.social-btn {
    background: #fff;
    border: 2px solid var(--color-lightest);
    transition: all 0.3s ease;
}

.social-btn:hover {
    border-color: var(--color-medium);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 26, 35, 0.1);
}

.password-toggle {
    cursor: pointer;
    color: var(--color-medium);
    transition: color 0.2s ease;
}

.password-toggle:hover {
    color: var(--color-dark);
}

.strength-bar {
    height: 4px;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--color-light);
    top: -150px;
    left: -150px;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--color-lightest);
    bottom: -100px;
    right: -100px;
    animation-delay: -5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: var(--color-light);
    top: 50%;
    right: 10%;
    animation-delay: -10s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    25% {
        transform: translate(30px, -30px) rotate(90deg);
    }

    50% {
        transform: translate(0, -50px) rotate(180deg);
    }

    75% {
        transform: translate(-30px, -30px) rotate(270deg);
    }
}

.fade-slide {
    animation: fadeSlide 0.4s ease forwards;
}

@keyframes fadeSlide {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.toast-custom {
    background: var(--color-darkest);
    color: var(--color-lightest);
}

.checkbox-custom:checked {
    background-color: var(--color-dark);
    border-color: var(--color-dark);
}