@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap');

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Outfit', sans-serif;
}

body {
    background: linear-gradient(-45deg, #0f172a, #1e1b4b, #312e81, #0f172a);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #fff;
    overflow-x: hidden;
    overflow-y: auto;
    padding: 2rem 1rem;
}

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

.auth-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    width: 450px;
    max-width: 90%;
    min-height: 550px;
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.auth-tabs {
    display: flex;
    justify-content: space-around;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.auth-tab {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    transition: color 0.3s ease;
}

.auth-tab.active {
    color: #fff;
}

.auth-tab.active::after {
    content: '';
    position: absolute;
    bottom: -21px;
    left: 0;
    width: 100%;
    height: 3px;
    background: #6366f1;
    border-radius: 3px 3px 0 0;
    box-shadow: 0 0 10px #6366f1;
}

.auth-forms-wrapper {
    position: relative;
    /* Removed fixed height to let content define height */
}

.auth-form {
    padding: 30px;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(50px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.auth-form.active {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    transform: translateX(0);
    position: relative;
}

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 8px;
    font-weight: 300;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

.form-group input:focus {
    border-color: #6366f1;
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.auth-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-top: 10px;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.4);
}

.auth-btn:active {
    transform: translateY(0);
}

.form-error {
    color: #ef4444;
    font-size: 0.85rem;
    margin-top: 5px;
    display: block;
}

.remember-forgot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.remember-forgot a {
    color: #818cf8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.remember-forgot a:hover {
    color: #c7d2fe;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.8);
}

.checkbox-wrapper input[type="checkbox"] {
    accent-color: #6366f1;
    width: 16px;
    height: 16px;
}

/* Background floating shapes */
.shape {
    position: absolute;
    filter: blur(60px);
    z-index: -1;
    border-radius: 50%;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: rgba(99, 102, 241, 0.4);
    top: -100px;
    left: -100px;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: rgba(236, 72, 153, 0.3);
    bottom: -150px;
    right: -100px;
}