body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: #f5f9ff;
    position: relative;
    overflow-x: hidden;
}

.floating-shape {
    position: fixed;
}

.container {
    width: 100%;
    max-width: 460px;
    padding: 50px;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 12px 40px rgba(91, 164, 255, 0.15),
                0 3px 8px rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 2;
    overflow: hidden;
    margin: 0 auto;
}

.container::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(99, 179, 237, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: -1;
}

.container::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(99, 179, 237, 0.06) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: -1;
}

.logo {
    display: flex;
    justify-content: center;
    margin-bottom: 35px;
    position: relative;
}

.logo h1 {
    font-size: 32px;
    color: var(--primary-color);
    letter-spacing: 0.8px;
    font-weight: 700;
    position: relative;
}

.logo h1::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transform: translateX(-50%);
    border-radius: 50px;
}

.tabs {
    display: flex;
    margin-bottom: 35px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    background-color: #f0f7ff;
    position: relative;
    box-shadow: 0 2px 6px rgba(91, 164, 255, 0.1);
}

.tab {
    flex: 1;
    padding: 14px 0;
    text-align: center;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.215, 0.61, 0.355, 1);
    position: relative;
    z-index: 1;
}

.tab.active {
    color: var(--primary-color);
}

.tab-indicator {
    position: absolute;
    height: 100%;
    width: 50%;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(91, 164, 255, 0.15);
    transition: all 0.4s cubic-bezier(0.215, 0.61, 0.355, 1);
    left: 0;
    top: 0;
}

.form-container {
    display: none;
    animation: slideIn 0.5s ease-out forwards;
}

.form-container.active {
    display: block;
}

.btn {
    width: 100%;
    padding: 16px;
    margin-top: 10px;
}